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Commit | Line | Data |
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0824d6fc | 1 | /* |
80cabfad | 2 | * QEMU System Emulator |
0824d6fc | 3 | * |
80cabfad | 4 | * Copyright (c) 2003-2004 Fabrice Bellard |
0824d6fc | 5 | * |
1df912cf FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
0824d6fc | 23 | */ |
67b915a5 FB |
24 | #include "vl.h" |
25 | ||
0824d6fc | 26 | #include <unistd.h> |
0824d6fc FB |
27 | #include <fcntl.h> |
28 | #include <signal.h> | |
29 | #include <time.h> | |
0824d6fc | 30 | #include <errno.h> |
67b915a5 FB |
31 | #include <sys/time.h> |
32 | ||
33 | #ifndef _WIN32 | |
34 | #include <sys/times.h> | |
f1510b2c | 35 | #include <sys/wait.h> |
67b915a5 FB |
36 | #include <termios.h> |
37 | #include <sys/poll.h> | |
38 | #include <sys/mman.h> | |
f1510b2c FB |
39 | #include <sys/ioctl.h> |
40 | #include <sys/socket.h> | |
7d3505c5 FB |
41 | #ifdef _BSD |
42 | #include <sys/stat.h> | |
83fb7adf | 43 | #ifndef __APPLE__ |
7d3505c5 | 44 | #include <libutil.h> |
83fb7adf | 45 | #endif |
7d3505c5 | 46 | #else |
f1510b2c FB |
47 | #include <linux/if.h> |
48 | #include <linux/if_tun.h> | |
7d3505c5 FB |
49 | #include <pty.h> |
50 | #include <malloc.h> | |
fd872598 | 51 | #include <linux/rtc.h> |
67b915a5 | 52 | #endif |
7d3505c5 | 53 | #endif |
67b915a5 | 54 | |
c20709aa FB |
55 | #if defined(CONFIG_SLIRP) |
56 | #include "libslirp.h" | |
57 | #endif | |
58 | ||
67b915a5 | 59 | #ifdef _WIN32 |
7d3505c5 | 60 | #include <malloc.h> |
67b915a5 FB |
61 | #include <sys/timeb.h> |
62 | #include <windows.h> | |
63 | #define getopt_long_only getopt_long | |
64 | #define memalign(align, size) malloc(size) | |
65 | #endif | |
66 | ||
73332e5c | 67 | #ifdef CONFIG_SDL |
96bcd4f8 | 68 | #ifdef __APPLE__ |
83fb7adf | 69 | #include <SDL/SDL.h> |
96bcd4f8 | 70 | #endif |
7d3505c5 | 71 | #if defined(__linux__) |
73332e5c FB |
72 | /* SDL use the pthreads and they modify sigaction. We don't |
73 | want that. */ | |
7d3505c5 | 74 | #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) |
73332e5c FB |
75 | extern void __libc_sigaction(); |
76 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
77 | #else | |
78 | extern void __sigaction(); | |
79 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
80 | #endif | |
7d3505c5 | 81 | #endif /* __linux__ */ |
73332e5c | 82 | #endif /* CONFIG_SDL */ |
0824d6fc | 83 | |
0824d6fc | 84 | #include "disas.h" |
fc01f7e7 | 85 | |
8a7ddc38 | 86 | #include "exec-all.h" |
0824d6fc | 87 | |
a541f297 FB |
88 | //#define DO_TB_FLUSH |
89 | ||
5a67135a | 90 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 91 | |
0824d6fc | 92 | //#define DEBUG_UNUSED_IOPORT |
fd872598 | 93 | //#define DEBUG_IOPORT |
330d0414 | 94 | |
bb551faa | 95 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 96 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
97 | #else |
98 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
99 | #endif | |
7916e224 | 100 | |
77d4bc34 FB |
101 | #ifdef TARGET_PPC |
102 | #define DEFAULT_RAM_SIZE 144 | |
103 | #else | |
1bfe856e | 104 | #define DEFAULT_RAM_SIZE 128 |
77d4bc34 | 105 | #endif |
8a7ddc38 FB |
106 | /* in ms */ |
107 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 108 | |
7dea1da4 FB |
109 | /* XXX: use a two level table to limit memory usage */ |
110 | #define MAX_IOPORTS 65536 | |
0824d6fc | 111 | |
80cabfad | 112 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 113 | char phys_ram_file[1024]; |
c45886db FB |
114 | CPUState *global_env; |
115 | CPUState *cpu_single_env; | |
c4b1fcc0 | 116 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
117 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
118 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 119 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 | 120 | int vga_ram_size; |
0ced6589 | 121 | int bios_size; |
313aa567 | 122 | static DisplayState display_state; |
a20dd508 | 123 | int nographic; |
313aa567 | 124 | int64_t ticks_per_sec; |
36b486bb | 125 | int boot_device = 'c'; |
0ced6589 | 126 | int ram_size; |
80cabfad FB |
127 | static char network_script[1024]; |
128 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
129 | int nb_nics; |
130 | NetDriverState nd_table[MAX_NICS]; | |
131 | SerialState *serial_console; | |
8a7ddc38 FB |
132 | QEMUTimer *gui_timer; |
133 | int vm_running; | |
aaaa7df6 | 134 | int audio_enabled = 0; |
bb0c6722 | 135 | int pci_enabled = 1; |
77d4bc34 | 136 | int prep_enabled = 0; |
ee22c2f7 | 137 | int rtc_utc = 1; |
1bfe856e FB |
138 | int cirrus_vga_enabled = 1; |
139 | int graphic_width = 800; | |
140 | int graphic_height = 600; | |
e9b137c2 | 141 | int graphic_depth = 15; |
0824d6fc FB |
142 | |
143 | /***********************************************************/ | |
26aa7d72 FB |
144 | /* x86 ISA bus support */ |
145 | ||
146 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 147 | |
c4b1fcc0 | 148 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
149 | { |
150 | #ifdef DEBUG_UNUSED_IOPORT | |
151 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
152 | #endif | |
fc01f7e7 | 153 | return 0xff; |
0824d6fc FB |
154 | } |
155 | ||
c4b1fcc0 | 156 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
157 | { |
158 | #ifdef DEBUG_UNUSED_IOPORT | |
159 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
160 | #endif | |
161 | } | |
162 | ||
163 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 164 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
165 | { |
166 | uint32_t data; | |
db45c29a FB |
167 | data = ioport_read_table[0][address](ioport_opaque[address], address); |
168 | address = (address + 1) & (MAX_IOPORTS - 1); | |
169 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
0824d6fc FB |
170 | return data; |
171 | } | |
172 | ||
c4b1fcc0 | 173 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 174 | { |
db45c29a FB |
175 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
176 | address = (address + 1) & (MAX_IOPORTS - 1); | |
177 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
0824d6fc FB |
178 | } |
179 | ||
c4b1fcc0 | 180 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 181 | { |
fc01f7e7 FB |
182 | #ifdef DEBUG_UNUSED_IOPORT |
183 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
184 | #endif | |
185 | return 0xffffffff; | |
0824d6fc FB |
186 | } |
187 | ||
c4b1fcc0 | 188 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 189 | { |
fc01f7e7 FB |
190 | #ifdef DEBUG_UNUSED_IOPORT |
191 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
192 | #endif | |
0824d6fc FB |
193 | } |
194 | ||
fc01f7e7 | 195 | void init_ioports(void) |
0824d6fc FB |
196 | { |
197 | int i; | |
198 | ||
fc01f7e7 FB |
199 | for(i = 0; i < MAX_IOPORTS; i++) { |
200 | ioport_read_table[0][i] = default_ioport_readb; | |
201 | ioport_write_table[0][i] = default_ioport_writeb; | |
202 | ioport_read_table[1][i] = default_ioport_readw; | |
203 | ioport_write_table[1][i] = default_ioport_writew; | |
204 | ioport_read_table[2][i] = default_ioport_readl; | |
205 | ioport_write_table[2][i] = default_ioport_writel; | |
206 | } | |
0824d6fc FB |
207 | } |
208 | ||
fc01f7e7 | 209 | /* size is the word size in byte */ |
c4b1fcc0 FB |
210 | int register_ioport_read(int start, int length, int size, |
211 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 212 | { |
fc01f7e7 | 213 | int i, bsize; |
f1510b2c | 214 | |
c4b1fcc0 | 215 | if (size == 1) { |
fc01f7e7 | 216 | bsize = 0; |
c4b1fcc0 | 217 | } else if (size == 2) { |
fc01f7e7 | 218 | bsize = 1; |
c4b1fcc0 | 219 | } else if (size == 4) { |
fc01f7e7 | 220 | bsize = 2; |
c4b1fcc0 FB |
221 | } else { |
222 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 223 | return -1; |
c4b1fcc0 FB |
224 | } |
225 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 226 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
227 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
228 | hw_error("register_ioport_read: invalid opaque"); | |
229 | ioport_opaque[i] = opaque; | |
230 | } | |
f1510b2c FB |
231 | return 0; |
232 | } | |
233 | ||
fc01f7e7 | 234 | /* size is the word size in byte */ |
c4b1fcc0 FB |
235 | int register_ioport_write(int start, int length, int size, |
236 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 237 | { |
fc01f7e7 | 238 | int i, bsize; |
f1510b2c | 239 | |
c4b1fcc0 | 240 | if (size == 1) { |
fc01f7e7 | 241 | bsize = 0; |
c4b1fcc0 | 242 | } else if (size == 2) { |
fc01f7e7 | 243 | bsize = 1; |
c4b1fcc0 | 244 | } else if (size == 4) { |
fc01f7e7 | 245 | bsize = 2; |
c4b1fcc0 FB |
246 | } else { |
247 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 248 | return -1; |
c4b1fcc0 FB |
249 | } |
250 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 251 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
252 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
253 | hw_error("register_ioport_read: invalid opaque"); | |
254 | ioport_opaque[i] = opaque; | |
255 | } | |
f1510b2c FB |
256 | return 0; |
257 | } | |
258 | ||
69b91039 FB |
259 | void isa_unassign_ioport(int start, int length) |
260 | { | |
261 | int i; | |
262 | ||
263 | for(i = start; i < start + length; i++) { | |
264 | ioport_read_table[0][i] = default_ioport_readb; | |
265 | ioport_read_table[1][i] = default_ioport_readw; | |
266 | ioport_read_table[2][i] = default_ioport_readl; | |
267 | ||
268 | ioport_write_table[0][i] = default_ioport_writeb; | |
269 | ioport_write_table[1][i] = default_ioport_writew; | |
270 | ioport_write_table[2][i] = default_ioport_writel; | |
271 | } | |
272 | } | |
273 | ||
0824d6fc FB |
274 | void pstrcpy(char *buf, int buf_size, const char *str) |
275 | { | |
276 | int c; | |
277 | char *q = buf; | |
278 | ||
279 | if (buf_size <= 0) | |
280 | return; | |
281 | ||
282 | for(;;) { | |
283 | c = *str++; | |
284 | if (c == 0 || q >= buf + buf_size - 1) | |
285 | break; | |
286 | *q++ = c; | |
287 | } | |
288 | *q = '\0'; | |
289 | } | |
290 | ||
291 | /* strcat and truncate. */ | |
292 | char *pstrcat(char *buf, int buf_size, const char *s) | |
293 | { | |
294 | int len; | |
295 | len = strlen(buf); | |
296 | if (len < buf_size) | |
297 | pstrcpy(buf + len, buf_size - len, s); | |
298 | return buf; | |
299 | } | |
300 | ||
7587cf44 FB |
301 | /* return the size or -1 if error */ |
302 | int get_image_size(const char *filename) | |
303 | { | |
304 | int fd, size; | |
305 | fd = open(filename, O_RDONLY | O_BINARY); | |
306 | if (fd < 0) | |
307 | return -1; | |
308 | size = lseek(fd, 0, SEEK_END); | |
309 | close(fd); | |
310 | return size; | |
311 | } | |
312 | ||
0824d6fc FB |
313 | /* return the size or -1 if error */ |
314 | int load_image(const char *filename, uint8_t *addr) | |
315 | { | |
316 | int fd, size; | |
40c3bac3 | 317 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
318 | if (fd < 0) |
319 | return -1; | |
320 | size = lseek(fd, 0, SEEK_END); | |
321 | lseek(fd, 0, SEEK_SET); | |
322 | if (read(fd, addr, size) != size) { | |
323 | close(fd); | |
324 | return -1; | |
325 | } | |
326 | close(fd); | |
327 | return size; | |
328 | } | |
329 | ||
c45886db | 330 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 331 | { |
fd872598 FB |
332 | #ifdef DEBUG_IOPORT |
333 | if (loglevel & CPU_LOG_IOPORT) | |
334 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
335 | #endif | |
c4b1fcc0 | 336 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
337 | } |
338 | ||
c45886db | 339 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 340 | { |
fd872598 FB |
341 | #ifdef DEBUG_IOPORT |
342 | if (loglevel & CPU_LOG_IOPORT) | |
343 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
344 | #endif | |
c4b1fcc0 | 345 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
346 | } |
347 | ||
c45886db | 348 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 349 | { |
fd872598 FB |
350 | #ifdef DEBUG_IOPORT |
351 | if (loglevel & CPU_LOG_IOPORT) | |
352 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
353 | #endif | |
c4b1fcc0 | 354 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
355 | } |
356 | ||
c45886db | 357 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 358 | { |
fd872598 | 359 | int val; |
fd872598 FB |
360 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); |
361 | #ifdef DEBUG_IOPORT | |
362 | if (loglevel & CPU_LOG_IOPORT) | |
363 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
364 | #endif | |
365 | return val; | |
0824d6fc FB |
366 | } |
367 | ||
c45886db | 368 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 369 | { |
fd872598 | 370 | int val; |
fd872598 FB |
371 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); |
372 | #ifdef DEBUG_IOPORT | |
373 | if (loglevel & CPU_LOG_IOPORT) | |
374 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
375 | #endif | |
376 | return val; | |
0824d6fc FB |
377 | } |
378 | ||
c45886db | 379 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 380 | { |
fd872598 | 381 | int val; |
fd872598 FB |
382 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); |
383 | #ifdef DEBUG_IOPORT | |
384 | if (loglevel & CPU_LOG_IOPORT) | |
385 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
386 | #endif | |
387 | return val; | |
0824d6fc FB |
388 | } |
389 | ||
390 | /***********************************************************/ | |
0824d6fc FB |
391 | void hw_error(const char *fmt, ...) |
392 | { | |
393 | va_list ap; | |
394 | ||
395 | va_start(ap, fmt); | |
396 | fprintf(stderr, "qemu: hardware error: "); | |
397 | vfprintf(stderr, fmt, ap); | |
398 | fprintf(stderr, "\n"); | |
399 | #ifdef TARGET_I386 | |
400 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
401 | #else |
402 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
403 | #endif |
404 | va_end(ap); | |
405 | abort(); | |
406 | } | |
407 | ||
63066f4f FB |
408 | /***********************************************************/ |
409 | /* keyboard/mouse */ | |
410 | ||
411 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
412 | static void *qemu_put_kbd_event_opaque; | |
413 | static QEMUPutMouseEvent *qemu_put_mouse_event; | |
414 | static void *qemu_put_mouse_event_opaque; | |
415 | ||
416 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
417 | { | |
418 | qemu_put_kbd_event_opaque = opaque; | |
419 | qemu_put_kbd_event = func; | |
420 | } | |
421 | ||
422 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) | |
423 | { | |
424 | qemu_put_mouse_event_opaque = opaque; | |
425 | qemu_put_mouse_event = func; | |
426 | } | |
427 | ||
428 | void kbd_put_keycode(int keycode) | |
429 | { | |
430 | if (qemu_put_kbd_event) { | |
431 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
432 | } | |
433 | } | |
434 | ||
435 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
436 | { | |
437 | if (qemu_put_mouse_event) { | |
438 | qemu_put_mouse_event(qemu_put_mouse_event_opaque, | |
439 | dx, dy, dz, buttons_state); | |
440 | } | |
441 | } | |
442 | ||
8a7ddc38 FB |
443 | /***********************************************************/ |
444 | /* timers */ | |
445 | ||
34865134 FB |
446 | #if defined(__powerpc__) |
447 | ||
448 | static inline uint32_t get_tbl(void) | |
0824d6fc | 449 | { |
34865134 FB |
450 | uint32_t tbl; |
451 | asm volatile("mftb %0" : "=r" (tbl)); | |
452 | return tbl; | |
0824d6fc FB |
453 | } |
454 | ||
34865134 FB |
455 | static inline uint32_t get_tbu(void) |
456 | { | |
457 | uint32_t tbl; | |
458 | asm volatile("mftbu %0" : "=r" (tbl)); | |
459 | return tbl; | |
460 | } | |
461 | ||
462 | int64_t cpu_get_real_ticks(void) | |
463 | { | |
464 | uint32_t l, h, h1; | |
465 | /* NOTE: we test if wrapping has occurred */ | |
466 | do { | |
467 | h = get_tbu(); | |
468 | l = get_tbl(); | |
469 | h1 = get_tbu(); | |
470 | } while (h != h1); | |
471 | return ((int64_t)h << 32) | l; | |
472 | } | |
473 | ||
474 | #elif defined(__i386__) | |
475 | ||
476 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
477 | { |
478 | int64_t val; | |
e463b581 | 479 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
480 | return val; |
481 | } | |
482 | ||
1115dde7 FB |
483 | #elif defined(__x86_64__) |
484 | ||
485 | int64_t cpu_get_real_ticks(void) | |
486 | { | |
487 | uint32_t low,high; | |
488 | int64_t val; | |
489 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
490 | val = high; | |
491 | val <<= 32; | |
492 | val |= low; | |
493 | return val; | |
494 | } | |
495 | ||
34865134 FB |
496 | #else |
497 | #error unsupported CPU | |
498 | #endif | |
499 | ||
500 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 501 | static int cpu_ticks_enabled; |
34865134 | 502 | |
8a7ddc38 | 503 | static inline int64_t cpu_get_ticks(void) |
34865134 | 504 | { |
8a7ddc38 FB |
505 | if (!cpu_ticks_enabled) { |
506 | return cpu_ticks_offset; | |
507 | } else { | |
508 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
509 | } | |
34865134 FB |
510 | } |
511 | ||
512 | /* enable cpu_get_ticks() */ | |
513 | void cpu_enable_ticks(void) | |
514 | { | |
8a7ddc38 FB |
515 | if (!cpu_ticks_enabled) { |
516 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
517 | cpu_ticks_enabled = 1; | |
518 | } | |
34865134 FB |
519 | } |
520 | ||
521 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
522 | cpu_get_ticks() after that. */ | |
523 | void cpu_disable_ticks(void) | |
524 | { | |
8a7ddc38 FB |
525 | if (cpu_ticks_enabled) { |
526 | cpu_ticks_offset = cpu_get_ticks(); | |
527 | cpu_ticks_enabled = 0; | |
528 | } | |
34865134 FB |
529 | } |
530 | ||
67b915a5 | 531 | static int64_t get_clock(void) |
34865134 | 532 | { |
67b915a5 FB |
533 | #ifdef _WIN32 |
534 | struct _timeb tb; | |
535 | _ftime(&tb); | |
536 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
537 | #else | |
34865134 FB |
538 | struct timeval tv; |
539 | gettimeofday(&tv, NULL); | |
540 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 541 | #endif |
34865134 FB |
542 | } |
543 | ||
0824d6fc FB |
544 | void cpu_calibrate_ticks(void) |
545 | { | |
546 | int64_t usec, ticks; | |
547 | ||
548 | usec = get_clock(); | |
8a7ddc38 | 549 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
550 | #ifdef _WIN32 |
551 | Sleep(50); | |
552 | #else | |
0824d6fc | 553 | usleep(50 * 1000); |
67b915a5 | 554 | #endif |
0824d6fc | 555 | usec = get_clock() - usec; |
8a7ddc38 | 556 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
557 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
558 | } | |
559 | ||
87858c89 | 560 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 561 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
562 | { |
563 | union { | |
564 | uint64_t ll; | |
565 | struct { | |
566 | #ifdef WORDS_BIGENDIAN | |
567 | uint32_t high, low; | |
568 | #else | |
569 | uint32_t low, high; | |
570 | #endif | |
571 | } l; | |
572 | } u, res; | |
573 | uint64_t rl, rh; | |
574 | ||
575 | u.ll = a; | |
576 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
577 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
578 | rh += (rl >> 32); | |
579 | res.l.high = rh / c; | |
580 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
581 | return res.ll; | |
582 | } | |
583 | ||
8a7ddc38 FB |
584 | #define QEMU_TIMER_REALTIME 0 |
585 | #define QEMU_TIMER_VIRTUAL 1 | |
586 | ||
587 | struct QEMUClock { | |
588 | int type; | |
589 | /* XXX: add frequency */ | |
590 | }; | |
591 | ||
592 | struct QEMUTimer { | |
593 | QEMUClock *clock; | |
594 | int64_t expire_time; | |
595 | QEMUTimerCB *cb; | |
596 | void *opaque; | |
597 | struct QEMUTimer *next; | |
598 | }; | |
599 | ||
600 | QEMUClock *rt_clock; | |
601 | QEMUClock *vm_clock; | |
602 | ||
603 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
604 | #ifdef _WIN32 |
605 | static MMRESULT timerID; | |
606 | #else | |
8a7ddc38 FB |
607 | /* frequency of the times() clock tick */ |
608 | static int timer_freq; | |
67b915a5 | 609 | #endif |
8a7ddc38 FB |
610 | |
611 | QEMUClock *qemu_new_clock(int type) | |
612 | { | |
613 | QEMUClock *clock; | |
614 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
615 | if (!clock) | |
616 | return NULL; | |
617 | clock->type = type; | |
618 | return clock; | |
619 | } | |
620 | ||
621 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
622 | { | |
623 | QEMUTimer *ts; | |
624 | ||
625 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
626 | ts->clock = clock; | |
627 | ts->cb = cb; | |
628 | ts->opaque = opaque; | |
629 | return ts; | |
630 | } | |
631 | ||
632 | void qemu_free_timer(QEMUTimer *ts) | |
633 | { | |
634 | qemu_free(ts); | |
635 | } | |
636 | ||
637 | /* stop a timer, but do not dealloc it */ | |
638 | void qemu_del_timer(QEMUTimer *ts) | |
639 | { | |
640 | QEMUTimer **pt, *t; | |
641 | ||
642 | /* NOTE: this code must be signal safe because | |
643 | qemu_timer_expired() can be called from a signal. */ | |
644 | pt = &active_timers[ts->clock->type]; | |
645 | for(;;) { | |
646 | t = *pt; | |
647 | if (!t) | |
648 | break; | |
649 | if (t == ts) { | |
650 | *pt = t->next; | |
651 | break; | |
652 | } | |
653 | pt = &t->next; | |
654 | } | |
655 | } | |
656 | ||
657 | /* modify the current timer so that it will be fired when current_time | |
658 | >= expire_time. The corresponding callback will be called. */ | |
659 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
660 | { | |
661 | QEMUTimer **pt, *t; | |
662 | ||
663 | qemu_del_timer(ts); | |
664 | ||
665 | /* add the timer in the sorted list */ | |
666 | /* NOTE: this code must be signal safe because | |
667 | qemu_timer_expired() can be called from a signal. */ | |
668 | pt = &active_timers[ts->clock->type]; | |
669 | for(;;) { | |
670 | t = *pt; | |
671 | if (!t) | |
672 | break; | |
673 | if (t->expire_time > expire_time) | |
674 | break; | |
675 | pt = &t->next; | |
676 | } | |
677 | ts->expire_time = expire_time; | |
678 | ts->next = *pt; | |
679 | *pt = ts; | |
680 | } | |
681 | ||
682 | int qemu_timer_pending(QEMUTimer *ts) | |
683 | { | |
684 | QEMUTimer *t; | |
685 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
686 | if (t == ts) | |
687 | return 1; | |
688 | } | |
689 | return 0; | |
690 | } | |
691 | ||
692 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
693 | { | |
694 | if (!timer_head) | |
695 | return 0; | |
696 | return (timer_head->expire_time <= current_time); | |
697 | } | |
698 | ||
699 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
700 | { | |
701 | QEMUTimer *ts; | |
702 | ||
703 | for(;;) { | |
704 | ts = *ptimer_head; | |
705 | if (ts->expire_time > current_time) | |
706 | break; | |
707 | /* remove timer from the list before calling the callback */ | |
708 | *ptimer_head = ts->next; | |
709 | ts->next = NULL; | |
710 | ||
711 | /* run the callback (the timer list can be modified) */ | |
712 | ts->cb(ts->opaque); | |
713 | } | |
714 | } | |
715 | ||
716 | int64_t qemu_get_clock(QEMUClock *clock) | |
717 | { | |
718 | switch(clock->type) { | |
719 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
720 | #ifdef _WIN32 |
721 | return GetTickCount(); | |
722 | #else | |
7d3505c5 FB |
723 | { |
724 | struct tms tp; | |
725 | ||
726 | /* Note that using gettimeofday() is not a good solution | |
727 | for timers because its value change when the date is | |
728 | modified. */ | |
729 | if (timer_freq == 100) { | |
730 | return times(&tp) * 10; | |
731 | } else { | |
732 | return ((int64_t)times(&tp) * 1000) / timer_freq; | |
733 | } | |
8a7ddc38 | 734 | } |
67b915a5 | 735 | #endif |
8a7ddc38 FB |
736 | default: |
737 | case QEMU_TIMER_VIRTUAL: | |
738 | return cpu_get_ticks(); | |
739 | } | |
740 | } | |
741 | ||
742 | /* save a timer */ | |
743 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
744 | { | |
745 | uint64_t expire_time; | |
746 | ||
747 | if (qemu_timer_pending(ts)) { | |
748 | expire_time = ts->expire_time; | |
749 | } else { | |
750 | expire_time = -1; | |
751 | } | |
752 | qemu_put_be64(f, expire_time); | |
753 | } | |
754 | ||
755 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
756 | { | |
757 | uint64_t expire_time; | |
758 | ||
759 | expire_time = qemu_get_be64(f); | |
760 | if (expire_time != -1) { | |
761 | qemu_mod_timer(ts, expire_time); | |
762 | } else { | |
763 | qemu_del_timer(ts); | |
764 | } | |
765 | } | |
766 | ||
767 | static void timer_save(QEMUFile *f, void *opaque) | |
768 | { | |
769 | if (cpu_ticks_enabled) { | |
770 | hw_error("cannot save state if virtual timers are running"); | |
771 | } | |
772 | qemu_put_be64s(f, &cpu_ticks_offset); | |
773 | qemu_put_be64s(f, &ticks_per_sec); | |
774 | } | |
775 | ||
776 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
777 | { | |
778 | if (version_id != 1) | |
779 | return -EINVAL; | |
780 | if (cpu_ticks_enabled) { | |
781 | return -EINVAL; | |
782 | } | |
783 | qemu_get_be64s(f, &cpu_ticks_offset); | |
784 | qemu_get_be64s(f, &ticks_per_sec); | |
785 | return 0; | |
786 | } | |
787 | ||
67b915a5 FB |
788 | #ifdef _WIN32 |
789 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
790 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
791 | #else | |
8a7ddc38 | 792 | static void host_alarm_handler(int host_signum) |
67b915a5 | 793 | #endif |
8a7ddc38 | 794 | { |
02ba45c5 FB |
795 | #if 0 |
796 | #define DISP_FREQ 1000 | |
797 | { | |
798 | static int64_t delta_min = INT64_MAX; | |
799 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
800 | static int count; | |
801 | ti = qemu_get_clock(vm_clock); | |
802 | if (last_clock != 0) { | |
803 | delta = ti - last_clock; | |
804 | if (delta < delta_min) | |
805 | delta_min = delta; | |
806 | if (delta > delta_max) | |
807 | delta_max = delta; | |
808 | delta_cum += delta; | |
809 | if (++count == DISP_FREQ) { | |
810 | printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n", | |
811 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
812 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
813 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
814 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
815 | count = 0; | |
816 | delta_min = INT64_MAX; | |
817 | delta_max = 0; | |
818 | delta_cum = 0; | |
819 | } | |
820 | } | |
821 | last_clock = ti; | |
822 | } | |
823 | #endif | |
8a7ddc38 FB |
824 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
825 | qemu_get_clock(vm_clock)) || | |
826 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
827 | qemu_get_clock(rt_clock))) { | |
828 | /* stop the cpu because a timer occured */ | |
829 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
830 | } | |
831 | } | |
832 | ||
fd872598 FB |
833 | #ifndef _WIN32 |
834 | ||
829309c7 FB |
835 | #if defined(__linux__) |
836 | ||
fd872598 FB |
837 | #define RTC_FREQ 1024 |
838 | ||
839 | static int rtc_fd; | |
829309c7 | 840 | |
fd872598 FB |
841 | static int start_rtc_timer(void) |
842 | { | |
843 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
844 | if (rtc_fd < 0) | |
845 | return -1; | |
846 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
847 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
848 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
849 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
850 | goto fail; | |
851 | } | |
852 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
853 | fail: | |
854 | close(rtc_fd); | |
855 | return -1; | |
856 | } | |
857 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
858 | return 0; | |
859 | } | |
860 | ||
829309c7 FB |
861 | #else |
862 | ||
863 | static int start_rtc_timer(void) | |
864 | { | |
865 | return -1; | |
866 | } | |
867 | ||
868 | #endif /* !defined(__linux__) */ | |
869 | ||
870 | #endif /* !defined(_WIN32) */ | |
fd872598 | 871 | |
8a7ddc38 FB |
872 | static void init_timers(void) |
873 | { | |
8a7ddc38 FB |
874 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
875 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
876 | ||
67b915a5 FB |
877 | #ifdef _WIN32 |
878 | { | |
879 | int count=0; | |
40c3bac3 FB |
880 | timerID = timeSetEvent(10, // interval (ms) |
881 | 0, // resolution | |
882 | host_alarm_handler, // function | |
883 | (DWORD)&count, // user parameter | |
884 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
885 | if( !timerID ) { |
886 | perror("failed timer alarm"); | |
887 | exit(1); | |
888 | } | |
889 | } | |
890 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
891 | #else | |
892 | { | |
893 | struct sigaction act; | |
894 | struct itimerval itv; | |
895 | ||
896 | /* get times() syscall frequency */ | |
897 | timer_freq = sysconf(_SC_CLK_TCK); | |
898 | ||
899 | /* timer signal */ | |
900 | sigfillset(&act.sa_mask); | |
901 | act.sa_flags = 0; | |
8a7ddc38 | 902 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
903 | act.sa_flags |= SA_ONSTACK; |
904 | #endif | |
905 | act.sa_handler = host_alarm_handler; | |
906 | sigaction(SIGALRM, &act, NULL); | |
fd872598 | 907 | |
67b915a5 FB |
908 | itv.it_interval.tv_sec = 0; |
909 | itv.it_interval.tv_usec = 1000; | |
910 | itv.it_value.tv_sec = 0; | |
911 | itv.it_value.tv_usec = 10 * 1000; | |
912 | setitimer(ITIMER_REAL, &itv, NULL); | |
913 | /* we probe the tick duration of the kernel to inform the user if | |
914 | the emulated kernel requested a too high timer frequency */ | |
915 | getitimer(ITIMER_REAL, &itv); | |
fd872598 | 916 | |
83fb7adf | 917 | #if defined(__linux__) |
fd872598 FB |
918 | if (itv.it_interval.tv_usec > 1000) { |
919 | /* try to use /dev/rtc to have a faster timer */ | |
920 | if (start_rtc_timer() < 0) | |
921 | goto use_itimer; | |
922 | /* disable itimer */ | |
923 | itv.it_interval.tv_sec = 0; | |
924 | itv.it_interval.tv_usec = 0; | |
925 | itv.it_value.tv_sec = 0; | |
926 | itv.it_value.tv_usec = 0; | |
927 | setitimer(ITIMER_REAL, &itv, NULL); | |
928 | ||
929 | /* use the RTC */ | |
a1968d71 | 930 | sigaction(SIGIO, &act, NULL); |
fd872598 FB |
931 | fcntl(rtc_fd, F_SETFL, O_ASYNC); |
932 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
83fb7adf FB |
933 | } else |
934 | #endif /* defined(__linux__) */ | |
935 | { | |
fd872598 FB |
936 | use_itimer: |
937 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
938 | PIT_FREQ) / 1000000; | |
939 | } | |
67b915a5 | 940 | } |
8a7ddc38 | 941 | #endif |
8a7ddc38 FB |
942 | } |
943 | ||
40c3bac3 FB |
944 | void quit_timers(void) |
945 | { | |
946 | #ifdef _WIN32 | |
947 | timeKillEvent(timerID); | |
948 | #endif | |
949 | } | |
950 | ||
c4b1fcc0 FB |
951 | /***********************************************************/ |
952 | /* serial device */ | |
313aa567 | 953 | |
67b915a5 FB |
954 | #ifdef _WIN32 |
955 | ||
956 | int serial_open_device(void) | |
957 | { | |
958 | return -1; | |
959 | } | |
960 | ||
961 | #else | |
962 | ||
c4b1fcc0 | 963 | int serial_open_device(void) |
313aa567 | 964 | { |
c4b1fcc0 FB |
965 | if (serial_console == NULL && nographic) { |
966 | /* use console for serial port */ | |
967 | return 0; | |
80cabfad | 968 | } else { |
77d4bc34 | 969 | #if 0 |
1bfe856e FB |
970 | char slave_name[1024]; |
971 | int master_fd, slave_fd; | |
972 | ||
77d4bc34 | 973 | /* Not satisfying */ |
c4b1fcc0 FB |
974 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
975 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
976 | return -1; | |
977 | } | |
978 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
979 | return master_fd; | |
77d4bc34 FB |
980 | #else |
981 | return -1; | |
982 | #endif | |
330d0414 | 983 | } |
330d0414 FB |
984 | } |
985 | ||
67b915a5 FB |
986 | #endif |
987 | ||
80cabfad | 988 | /***********************************************************/ |
c20709aa | 989 | /* Linux network device redirectors */ |
330d0414 | 990 | |
c20709aa FB |
991 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
992 | { | |
993 | int len, i, j, c; | |
994 | ||
995 | for(i=0;i<size;i+=16) { | |
996 | len = size - i; | |
997 | if (len > 16) | |
998 | len = 16; | |
999 | fprintf(f, "%08x ", i); | |
1000 | for(j=0;j<16;j++) { | |
1001 | if (j < len) | |
1002 | fprintf(f, " %02x", buf[i+j]); | |
1003 | else | |
1004 | fprintf(f, " "); | |
1005 | } | |
1006 | fprintf(f, " "); | |
1007 | for(j=0;j<len;j++) { | |
1008 | c = buf[i+j]; | |
1009 | if (c < ' ' || c > '~') | |
1010 | c = '.'; | |
1011 | fprintf(f, "%c", c); | |
1012 | } | |
1013 | fprintf(f, "\n"); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1018 | { | |
1019 | nd->send_packet(nd, buf, size); | |
1020 | } | |
67b915a5 | 1021 | |
c20709aa FB |
1022 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
1023 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 1024 | { |
c20709aa FB |
1025 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
1026 | } | |
1027 | ||
1028 | /* dummy network adapter */ | |
1029 | ||
1030 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1031 | { | |
1032 | } | |
1033 | ||
1034 | static void dummy_add_read_packet(NetDriverState *nd, | |
1035 | IOCanRWHandler *fd_can_read, | |
1036 | IOReadHandler *fd_read, void *opaque) | |
1037 | { | |
1038 | } | |
1039 | ||
1040 | static int net_dummy_init(NetDriverState *nd) | |
1041 | { | |
1042 | nd->send_packet = dummy_send_packet; | |
1043 | nd->add_read_packet = dummy_add_read_packet; | |
1044 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
1045 | return 0; |
1046 | } | |
1047 | ||
c20709aa FB |
1048 | #if defined(CONFIG_SLIRP) |
1049 | ||
1050 | /* slirp network adapter */ | |
1051 | ||
1052 | static void *slirp_fd_opaque; | |
1053 | static IOCanRWHandler *slirp_fd_can_read; | |
1054 | static IOReadHandler *slirp_fd_read; | |
1055 | static int slirp_inited; | |
1056 | ||
1057 | int slirp_can_output(void) | |
1058 | { | |
1059 | return slirp_fd_can_read(slirp_fd_opaque); | |
1060 | } | |
1061 | ||
1062 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 1063 | { |
c20709aa FB |
1064 | #if 0 |
1065 | printf("output:\n"); | |
1066 | hex_dump(stdout, pkt, pkt_len); | |
1067 | #endif | |
1068 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
1069 | } |
1070 | ||
c20709aa FB |
1071 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1072 | { | |
1073 | #if 0 | |
1074 | printf("input:\n"); | |
1075 | hex_dump(stdout, buf, size); | |
1076 | #endif | |
1077 | slirp_input(buf, size); | |
1078 | } | |
1079 | ||
1080 | static void slirp_add_read_packet(NetDriverState *nd, | |
1081 | IOCanRWHandler *fd_can_read, | |
1082 | IOReadHandler *fd_read, void *opaque) | |
1083 | { | |
1084 | slirp_fd_opaque = opaque; | |
1085 | slirp_fd_can_read = fd_can_read; | |
1086 | slirp_fd_read = fd_read; | |
1087 | } | |
1088 | ||
1089 | static int net_slirp_init(NetDriverState *nd) | |
1090 | { | |
1091 | if (!slirp_inited) { | |
1092 | slirp_inited = 1; | |
1093 | slirp_init(); | |
1094 | } | |
1095 | nd->send_packet = slirp_send_packet; | |
1096 | nd->add_read_packet = slirp_add_read_packet; | |
1097 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
1098 | return 0; | |
1099 | } | |
1100 | ||
1101 | #endif /* CONFIG_SLIRP */ | |
1102 | ||
1103 | #if !defined(_WIN32) | |
7d3505c5 FB |
1104 | #ifdef _BSD |
1105 | static int tun_open(char *ifname, int ifname_size) | |
1106 | { | |
1107 | int fd; | |
1108 | char *dev; | |
1109 | struct stat s; | |
67b915a5 | 1110 | |
7d3505c5 FB |
1111 | fd = open("/dev/tap", O_RDWR); |
1112 | if (fd < 0) { | |
1113 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
1114 | return -1; | |
1115 | } | |
1116 | ||
1117 | fstat(fd, &s); | |
1118 | dev = devname(s.st_rdev, S_IFCHR); | |
1119 | pstrcpy(ifname, ifname_size, dev); | |
1120 | ||
1121 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1122 | return fd; | |
1123 | } | |
1124 | #else | |
c4b1fcc0 | 1125 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 1126 | { |
80cabfad | 1127 | struct ifreq ifr; |
c4b1fcc0 | 1128 | int fd, ret; |
80cabfad FB |
1129 | |
1130 | fd = open("/dev/net/tun", O_RDWR); | |
1131 | if (fd < 0) { | |
1132 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
1133 | return -1; | |
330d0414 | 1134 | } |
80cabfad FB |
1135 | memset(&ifr, 0, sizeof(ifr)); |
1136 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
1137 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
1138 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
1139 | if (ret != 0) { | |
1140 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
1141 | close(fd); | |
1142 | return -1; | |
1143 | } | |
1144 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 1145 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 1146 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
1147 | return fd; |
1148 | } | |
7d3505c5 | 1149 | #endif |
330d0414 | 1150 | |
c20709aa FB |
1151 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1152 | { | |
1153 | write(nd->fd, buf, size); | |
1154 | } | |
1155 | ||
1156 | static void tun_add_read_packet(NetDriverState *nd, | |
1157 | IOCanRWHandler *fd_can_read, | |
1158 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 1159 | { |
c20709aa FB |
1160 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1161 | } | |
1162 | ||
1163 | static int net_tun_init(NetDriverState *nd) | |
1164 | { | |
1165 | int pid, status; | |
1166 | char *args[3]; | |
c4b1fcc0 FB |
1167 | char **parg; |
1168 | ||
c20709aa FB |
1169 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
1170 | if (nd->fd < 0) | |
1171 | return -1; | |
c4b1fcc0 | 1172 | |
c20709aa FB |
1173 | /* try to launch network init script */ |
1174 | pid = fork(); | |
1175 | if (pid >= 0) { | |
1176 | if (pid == 0) { | |
1177 | parg = args; | |
1178 | *parg++ = network_script; | |
1179 | *parg++ = nd->ifname; | |
1180 | *parg++ = NULL; | |
1181 | execv(network_script, args); | |
1182 | exit(1); | |
1183 | } | |
1184 | while (waitpid(pid, &status, 0) != pid); | |
1185 | if (!WIFEXITED(status) || | |
1186 | WEXITSTATUS(status) != 0) { | |
1187 | fprintf(stderr, "%s: could not launch network script\n", | |
1188 | network_script); | |
80cabfad | 1189 | } |
330d0414 | 1190 | } |
c20709aa FB |
1191 | nd->send_packet = tun_send_packet; |
1192 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 1193 | return 0; |
330d0414 FB |
1194 | } |
1195 | ||
c20709aa | 1196 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 1197 | { |
c20709aa FB |
1198 | nd->fd = fd; |
1199 | nd->send_packet = tun_send_packet; | |
1200 | nd->add_read_packet = tun_add_read_packet; | |
1201 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
1202 | return 0; | |
80cabfad | 1203 | } |
330d0414 | 1204 | |
c20709aa | 1205 | #endif /* !_WIN32 */ |
67b915a5 | 1206 | |
313aa567 FB |
1207 | /***********************************************************/ |
1208 | /* dumb display */ | |
1209 | ||
67b915a5 FB |
1210 | #ifdef _WIN32 |
1211 | ||
1212 | static void term_exit(void) | |
1213 | { | |
1214 | } | |
1215 | ||
1216 | static void term_init(void) | |
1217 | { | |
1218 | } | |
1219 | ||
1220 | #else | |
1221 | ||
313aa567 FB |
1222 | /* init terminal so that we can grab keys */ |
1223 | static struct termios oldtty; | |
02ba45c5 | 1224 | static int old_fd0_flags; |
313aa567 FB |
1225 | |
1226 | static void term_exit(void) | |
1227 | { | |
1228 | tcsetattr (0, TCSANOW, &oldtty); | |
02ba45c5 | 1229 | fcntl(0, F_SETFL, old_fd0_flags); |
313aa567 FB |
1230 | } |
1231 | ||
1232 | static void term_init(void) | |
1233 | { | |
1234 | struct termios tty; | |
1235 | ||
1236 | tcgetattr (0, &tty); | |
1237 | oldtty = tty; | |
02ba45c5 | 1238 | old_fd0_flags = fcntl(0, F_GETFL); |
313aa567 FB |
1239 | |
1240 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1241 | |INLCR|IGNCR|ICRNL|IXON); | |
1242 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
1243 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1244 | /* if graphical mode, we allow Ctrl-C handling */ | |
1245 | if (nographic) | |
1246 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
1247 | tty.c_cflag &= ~(CSIZE|PARENB); |
1248 | tty.c_cflag |= CS8; | |
1249 | tty.c_cc[VMIN] = 1; | |
1250 | tty.c_cc[VTIME] = 0; | |
1251 | ||
1252 | tcsetattr (0, TCSANOW, &tty); | |
1253 | ||
1254 | atexit(term_exit); | |
1255 | ||
1256 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1257 | } | |
1258 | ||
67b915a5 FB |
1259 | #endif |
1260 | ||
313aa567 FB |
1261 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1262 | { | |
1263 | } | |
1264 | ||
1265 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1266 | { | |
1267 | } | |
1268 | ||
1269 | static void dumb_refresh(DisplayState *ds) | |
1270 | { | |
1271 | vga_update_display(); | |
1272 | } | |
1273 | ||
1274 | void dumb_display_init(DisplayState *ds) | |
1275 | { | |
1276 | ds->data = NULL; | |
1277 | ds->linesize = 0; | |
1278 | ds->depth = 0; | |
1279 | ds->dpy_update = dumb_update; | |
1280 | ds->dpy_resize = dumb_resize; | |
1281 | ds->dpy_refresh = dumb_refresh; | |
1282 | } | |
1283 | ||
3a51dee6 | 1284 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1285 | /***********************************************************/ |
0824d6fc FB |
1286 | /* cpu signal handler */ |
1287 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1288 | void *puc) | |
1289 | { | |
1290 | if (cpu_signal_handler(host_signum, info, puc)) | |
1291 | return; | |
1292 | term_exit(); | |
1293 | abort(); | |
1294 | } | |
3a51dee6 | 1295 | #endif |
0824d6fc | 1296 | |
8a7ddc38 FB |
1297 | /***********************************************************/ |
1298 | /* I/O handling */ | |
0824d6fc | 1299 | |
c4b1fcc0 FB |
1300 | #define MAX_IO_HANDLERS 64 |
1301 | ||
1302 | typedef struct IOHandlerRecord { | |
1303 | int fd; | |
1304 | IOCanRWHandler *fd_can_read; | |
1305 | IOReadHandler *fd_read; | |
1306 | void *opaque; | |
1307 | /* temporary data */ | |
1308 | struct pollfd *ufd; | |
1309 | int max_size; | |
8a7ddc38 | 1310 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1311 | } IOHandlerRecord; |
1312 | ||
8a7ddc38 | 1313 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1314 | |
8a7ddc38 FB |
1315 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1316 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1317 | { |
1318 | IOHandlerRecord *ioh; | |
1319 | ||
8a7ddc38 FB |
1320 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1321 | if (!ioh) | |
c4b1fcc0 | 1322 | return -1; |
c4b1fcc0 FB |
1323 | ioh->fd = fd; |
1324 | ioh->fd_can_read = fd_can_read; | |
1325 | ioh->fd_read = fd_read; | |
1326 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1327 | ioh->next = first_io_handler; |
1328 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1329 | return 0; |
1330 | } | |
1331 | ||
8a7ddc38 FB |
1332 | void qemu_del_fd_read_handler(int fd) |
1333 | { | |
1334 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1335 | |
8a7ddc38 FB |
1336 | pioh = &first_io_handler; |
1337 | for(;;) { | |
1338 | ioh = *pioh; | |
1339 | if (ioh == NULL) | |
1340 | break; | |
1341 | if (ioh->fd == fd) { | |
1342 | *pioh = ioh->next; | |
1343 | break; | |
1344 | } | |
1345 | pioh = &ioh->next; | |
1346 | } | |
1347 | } | |
1348 | ||
1349 | /***********************************************************/ | |
1350 | /* savevm/loadvm support */ | |
1351 | ||
1352 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1353 | { |
8a7ddc38 | 1354 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1355 | } |
1356 | ||
8a7ddc38 | 1357 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1358 | { |
8a7ddc38 FB |
1359 | fputc(v, f); |
1360 | } | |
1361 | ||
1362 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1363 | { | |
1364 | qemu_put_byte(f, v >> 8); | |
1365 | qemu_put_byte(f, v); | |
1366 | } | |
1367 | ||
1368 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1369 | { | |
1370 | qemu_put_byte(f, v >> 24); | |
1371 | qemu_put_byte(f, v >> 16); | |
1372 | qemu_put_byte(f, v >> 8); | |
1373 | qemu_put_byte(f, v); | |
1374 | } | |
1375 | ||
1376 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1377 | { | |
1378 | qemu_put_be32(f, v >> 32); | |
1379 | qemu_put_be32(f, v); | |
1380 | } | |
1381 | ||
1382 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1383 | { | |
1384 | return fread(buf, 1, size, f); | |
1385 | } | |
1386 | ||
1387 | int qemu_get_byte(QEMUFile *f) | |
1388 | { | |
1389 | int v; | |
1390 | v = fgetc(f); | |
1391 | if (v == EOF) | |
1392 | return 0; | |
1393 | else | |
1394 | return v; | |
1395 | } | |
1396 | ||
1397 | unsigned int qemu_get_be16(QEMUFile *f) | |
1398 | { | |
1399 | unsigned int v; | |
1400 | v = qemu_get_byte(f) << 8; | |
1401 | v |= qemu_get_byte(f); | |
1402 | return v; | |
1403 | } | |
1404 | ||
1405 | unsigned int qemu_get_be32(QEMUFile *f) | |
1406 | { | |
1407 | unsigned int v; | |
1408 | v = qemu_get_byte(f) << 24; | |
1409 | v |= qemu_get_byte(f) << 16; | |
1410 | v |= qemu_get_byte(f) << 8; | |
1411 | v |= qemu_get_byte(f); | |
1412 | return v; | |
1413 | } | |
1414 | ||
1415 | uint64_t qemu_get_be64(QEMUFile *f) | |
1416 | { | |
1417 | uint64_t v; | |
1418 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1419 | v |= qemu_get_be32(f); | |
1420 | return v; | |
1421 | } | |
1422 | ||
1423 | int64_t qemu_ftell(QEMUFile *f) | |
1424 | { | |
1425 | return ftell(f); | |
1426 | } | |
1427 | ||
1428 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1429 | { | |
1430 | if (fseek(f, pos, whence) < 0) | |
1431 | return -1; | |
1432 | return ftell(f); | |
1433 | } | |
1434 | ||
1435 | typedef struct SaveStateEntry { | |
1436 | char idstr[256]; | |
1437 | int instance_id; | |
1438 | int version_id; | |
1439 | SaveStateHandler *save_state; | |
1440 | LoadStateHandler *load_state; | |
1441 | void *opaque; | |
1442 | struct SaveStateEntry *next; | |
1443 | } SaveStateEntry; | |
b4608c04 | 1444 | |
8a7ddc38 FB |
1445 | static SaveStateEntry *first_se; |
1446 | ||
1447 | int register_savevm(const char *idstr, | |
1448 | int instance_id, | |
1449 | int version_id, | |
1450 | SaveStateHandler *save_state, | |
1451 | LoadStateHandler *load_state, | |
1452 | void *opaque) | |
1453 | { | |
1454 | SaveStateEntry *se, **pse; | |
1455 | ||
1456 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1457 | if (!se) | |
1458 | return -1; | |
1459 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1460 | se->instance_id = instance_id; | |
1461 | se->version_id = version_id; | |
1462 | se->save_state = save_state; | |
1463 | se->load_state = load_state; | |
1464 | se->opaque = opaque; | |
1465 | se->next = NULL; | |
1466 | ||
1467 | /* add at the end of list */ | |
1468 | pse = &first_se; | |
1469 | while (*pse != NULL) | |
1470 | pse = &(*pse)->next; | |
1471 | *pse = se; | |
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1476 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1477 | ||
1478 | int qemu_savevm(const char *filename) | |
1479 | { | |
1480 | SaveStateEntry *se; | |
1481 | QEMUFile *f; | |
1482 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1483 | ||
1484 | saved_vm_running = vm_running; | |
1485 | vm_stop(0); | |
1486 | ||
1487 | f = fopen(filename, "wb"); | |
1488 | if (!f) { | |
1489 | ret = -1; | |
1490 | goto the_end; | |
313aa567 FB |
1491 | } |
1492 | ||
8a7ddc38 FB |
1493 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1494 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1495 | ||
1496 | for(se = first_se; se != NULL; se = se->next) { | |
1497 | /* ID string */ | |
1498 | len = strlen(se->idstr); | |
1499 | qemu_put_byte(f, len); | |
1500 | qemu_put_buffer(f, se->idstr, len); | |
1501 | ||
1502 | qemu_put_be32(f, se->instance_id); | |
1503 | qemu_put_be32(f, se->version_id); | |
1504 | ||
1505 | /* record size: filled later */ | |
1506 | len_pos = ftell(f); | |
1507 | qemu_put_be32(f, 0); | |
1508 | ||
1509 | se->save_state(f, se->opaque); | |
1510 | ||
1511 | /* fill record size */ | |
1512 | cur_pos = ftell(f); | |
1513 | len = ftell(f) - len_pos - 4; | |
1514 | fseek(f, len_pos, SEEK_SET); | |
1515 | qemu_put_be32(f, len); | |
1516 | fseek(f, cur_pos, SEEK_SET); | |
1517 | } | |
1518 | ||
1519 | fclose(f); | |
1520 | ret = 0; | |
1521 | the_end: | |
1522 | if (saved_vm_running) | |
1523 | vm_start(); | |
1524 | return ret; | |
1525 | } | |
1526 | ||
1527 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1528 | { | |
1529 | SaveStateEntry *se; | |
1530 | ||
1531 | for(se = first_se; se != NULL; se = se->next) { | |
1532 | if (!strcmp(se->idstr, idstr) && | |
1533 | instance_id == se->instance_id) | |
1534 | return se; | |
1535 | } | |
1536 | return NULL; | |
1537 | } | |
1538 | ||
1539 | int qemu_loadvm(const char *filename) | |
1540 | { | |
1541 | SaveStateEntry *se; | |
1542 | QEMUFile *f; | |
1543 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1544 | int saved_vm_running; | |
1545 | unsigned int v; | |
1546 | char idstr[256]; | |
1547 | ||
1548 | saved_vm_running = vm_running; | |
1549 | vm_stop(0); | |
1550 | ||
1551 | f = fopen(filename, "rb"); | |
1552 | if (!f) { | |
1553 | ret = -1; | |
1554 | goto the_end; | |
1555 | } | |
1556 | ||
1557 | v = qemu_get_be32(f); | |
1558 | if (v != QEMU_VM_FILE_MAGIC) | |
1559 | goto fail; | |
1560 | v = qemu_get_be32(f); | |
1561 | if (v != QEMU_VM_FILE_VERSION) { | |
1562 | fail: | |
1563 | fclose(f); | |
1564 | ret = -1; | |
1565 | goto the_end; | |
1566 | } | |
b4608c04 | 1567 | for(;;) { |
a541f297 | 1568 | #if defined (DO_TB_FLUSH) |
d927637d | 1569 | tb_flush(global_env); |
a541f297 | 1570 | #endif |
8a7ddc38 FB |
1571 | len = qemu_get_byte(f); |
1572 | if (feof(f)) | |
cd4c3e88 | 1573 | break; |
8a7ddc38 FB |
1574 | qemu_get_buffer(f, idstr, len); |
1575 | idstr[len] = '\0'; | |
1576 | instance_id = qemu_get_be32(f); | |
1577 | version_id = qemu_get_be32(f); | |
1578 | record_len = qemu_get_be32(f); | |
1579 | #if 0 | |
1580 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1581 | idstr, instance_id, version_id, record_len); | |
1582 | #endif | |
1583 | cur_pos = ftell(f); | |
1584 | se = find_se(idstr, instance_id); | |
1585 | if (!se) { | |
1586 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1587 | instance_id, idstr); | |
1588 | } else { | |
1589 | ret = se->load_state(f, se->opaque, version_id); | |
1590 | if (ret < 0) { | |
1591 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1592 | instance_id, idstr); | |
1593 | } | |
34865134 | 1594 | } |
8a7ddc38 FB |
1595 | /* always seek to exact end of record */ |
1596 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1597 | } | |
1598 | fclose(f); | |
1599 | ret = 0; | |
1600 | the_end: | |
1601 | if (saved_vm_running) | |
1602 | vm_start(); | |
1603 | return ret; | |
1604 | } | |
1605 | ||
1606 | /***********************************************************/ | |
1607 | /* cpu save/restore */ | |
1608 | ||
1609 | #if defined(TARGET_I386) | |
1610 | ||
1611 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1612 | { | |
02ba45c5 | 1613 | qemu_put_be32(f, dt->selector); |
8a7ddc38 FB |
1614 | qemu_put_be32(f, (uint32_t)dt->base); |
1615 | qemu_put_be32(f, dt->limit); | |
1616 | qemu_put_be32(f, dt->flags); | |
1617 | } | |
1618 | ||
1619 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1620 | { | |
02ba45c5 | 1621 | dt->selector = qemu_get_be32(f); |
8a7ddc38 FB |
1622 | dt->base = (uint8_t *)qemu_get_be32(f); |
1623 | dt->limit = qemu_get_be32(f); | |
1624 | dt->flags = qemu_get_be32(f); | |
1625 | } | |
1626 | ||
1627 | void cpu_save(QEMUFile *f, void *opaque) | |
1628 | { | |
1629 | CPUState *env = opaque; | |
1630 | uint16_t fptag, fpus, fpuc; | |
1631 | uint32_t hflags; | |
1632 | int i; | |
1633 | ||
1634 | for(i = 0; i < 8; i++) | |
1635 | qemu_put_be32s(f, &env->regs[i]); | |
1636 | qemu_put_be32s(f, &env->eip); | |
1637 | qemu_put_be32s(f, &env->eflags); | |
1638 | qemu_put_be32s(f, &env->eflags); | |
1639 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1640 | qemu_put_be32s(f, &hflags); | |
1641 | ||
1642 | /* FPU */ | |
1643 | fpuc = env->fpuc; | |
1644 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1645 | fptag = 0; | |
1646 | for (i=7; i>=0; i--) { | |
1647 | fptag <<= 2; | |
1648 | if (env->fptags[i]) { | |
1649 | fptag |= 3; | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | qemu_put_be16s(f, &fpuc); | |
1654 | qemu_put_be16s(f, &fpus); | |
1655 | qemu_put_be16s(f, &fptag); | |
1656 | ||
1657 | for(i = 0; i < 8; i++) { | |
1658 | uint64_t mant; | |
1659 | uint16_t exp; | |
1660 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1661 | qemu_put_be64(f, mant); | |
1662 | qemu_put_be16(f, exp); | |
1663 | } | |
1664 | ||
1665 | for(i = 0; i < 6; i++) | |
1666 | cpu_put_seg(f, &env->segs[i]); | |
1667 | cpu_put_seg(f, &env->ldt); | |
1668 | cpu_put_seg(f, &env->tr); | |
1669 | cpu_put_seg(f, &env->gdt); | |
1670 | cpu_put_seg(f, &env->idt); | |
1671 | ||
1672 | qemu_put_be32s(f, &env->sysenter_cs); | |
1673 | qemu_put_be32s(f, &env->sysenter_esp); | |
1674 | qemu_put_be32s(f, &env->sysenter_eip); | |
1675 | ||
1676 | qemu_put_be32s(f, &env->cr[0]); | |
1677 | qemu_put_be32s(f, &env->cr[2]); | |
1678 | qemu_put_be32s(f, &env->cr[3]); | |
1679 | qemu_put_be32s(f, &env->cr[4]); | |
1680 | ||
1681 | for(i = 0; i < 8; i++) | |
1682 | qemu_put_be32s(f, &env->dr[i]); | |
1683 | ||
1684 | /* MMU */ | |
1685 | qemu_put_be32s(f, &env->a20_mask); | |
1686 | } | |
1687 | ||
1688 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1689 | { | |
1690 | CPUState *env = opaque; | |
1691 | int i; | |
1692 | uint32_t hflags; | |
1693 | uint16_t fpus, fpuc, fptag; | |
1694 | ||
02ba45c5 | 1695 | if (version_id != 2) |
8a7ddc38 FB |
1696 | return -EINVAL; |
1697 | for(i = 0; i < 8; i++) | |
1698 | qemu_get_be32s(f, &env->regs[i]); | |
1699 | qemu_get_be32s(f, &env->eip); | |
1700 | qemu_get_be32s(f, &env->eflags); | |
1701 | qemu_get_be32s(f, &env->eflags); | |
1702 | qemu_get_be32s(f, &hflags); | |
1703 | ||
1704 | qemu_get_be16s(f, &fpuc); | |
1705 | qemu_get_be16s(f, &fpus); | |
1706 | qemu_get_be16s(f, &fptag); | |
1707 | ||
1708 | for(i = 0; i < 8; i++) { | |
1709 | uint64_t mant; | |
1710 | uint16_t exp; | |
1711 | mant = qemu_get_be64(f); | |
1712 | exp = qemu_get_be16(f); | |
1713 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1714 | } | |
1715 | ||
1716 | env->fpuc = fpuc; | |
1717 | env->fpstt = (fpus >> 11) & 7; | |
1718 | env->fpus = fpus & ~0x3800; | |
1719 | for(i = 0; i < 8; i++) { | |
1720 | env->fptags[i] = ((fptag & 3) == 3); | |
1721 | fptag >>= 2; | |
1722 | } | |
1723 | ||
1724 | for(i = 0; i < 6; i++) | |
1725 | cpu_get_seg(f, &env->segs[i]); | |
1726 | cpu_get_seg(f, &env->ldt); | |
1727 | cpu_get_seg(f, &env->tr); | |
1728 | cpu_get_seg(f, &env->gdt); | |
1729 | cpu_get_seg(f, &env->idt); | |
1730 | ||
1731 | qemu_get_be32s(f, &env->sysenter_cs); | |
1732 | qemu_get_be32s(f, &env->sysenter_esp); | |
1733 | qemu_get_be32s(f, &env->sysenter_eip); | |
1734 | ||
1735 | qemu_get_be32s(f, &env->cr[0]); | |
1736 | qemu_get_be32s(f, &env->cr[2]); | |
1737 | qemu_get_be32s(f, &env->cr[3]); | |
1738 | qemu_get_be32s(f, &env->cr[4]); | |
1739 | ||
1740 | for(i = 0; i < 8; i++) | |
1741 | qemu_get_be32s(f, &env->dr[i]); | |
1742 | ||
1743 | /* MMU */ | |
1744 | qemu_get_be32s(f, &env->a20_mask); | |
1745 | ||
1746 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1747 | env->hflags = hflags; | |
1748 | tlb_flush(env, 1); | |
1749 | return 0; | |
1750 | } | |
1751 | ||
a541f297 FB |
1752 | #elif defined(TARGET_PPC) |
1753 | void cpu_save(QEMUFile *f, void *opaque) | |
1754 | { | |
1755 | } | |
1756 | ||
1757 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1758 | { | |
1759 | return 0; | |
1760 | } | |
8a7ddc38 FB |
1761 | #else |
1762 | ||
1763 | #warning No CPU save/restore functions | |
1764 | ||
1765 | #endif | |
1766 | ||
1767 | /***********************************************************/ | |
1768 | /* ram save/restore */ | |
1769 | ||
1770 | /* we just avoid storing empty pages */ | |
1771 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1772 | { | |
1773 | int i, v; | |
1774 | ||
1775 | v = buf[0]; | |
1776 | for(i = 1; i < len; i++) { | |
1777 | if (buf[i] != v) | |
1778 | goto normal_save; | |
1779 | } | |
1780 | qemu_put_byte(f, 1); | |
1781 | qemu_put_byte(f, v); | |
1782 | return; | |
1783 | normal_save: | |
1784 | qemu_put_byte(f, 0); | |
1785 | qemu_put_buffer(f, buf, len); | |
1786 | } | |
1787 | ||
1788 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1789 | { | |
1790 | int v; | |
1791 | ||
1792 | v = qemu_get_byte(f); | |
1793 | switch(v) { | |
1794 | case 0: | |
1795 | if (qemu_get_buffer(f, buf, len) != len) | |
1796 | return -EIO; | |
1797 | break; | |
1798 | case 1: | |
1799 | v = qemu_get_byte(f); | |
1800 | memset(buf, v, len); | |
1801 | break; | |
1802 | default: | |
1803 | return -EINVAL; | |
1804 | } | |
1805 | return 0; | |
1806 | } | |
1807 | ||
1808 | static void ram_save(QEMUFile *f, void *opaque) | |
1809 | { | |
1810 | int i; | |
1811 | qemu_put_be32(f, phys_ram_size); | |
1812 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1813 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1814 | } | |
1815 | } | |
1816 | ||
1817 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1818 | { | |
1819 | int i, ret; | |
1820 | ||
1821 | if (version_id != 1) | |
1822 | return -EINVAL; | |
1823 | if (qemu_get_be32(f) != phys_ram_size) | |
1824 | return -EINVAL; | |
1825 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1826 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1827 | if (ret) | |
1828 | return ret; | |
1829 | } | |
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | /***********************************************************/ | |
1834 | /* main execution loop */ | |
1835 | ||
1836 | void gui_update(void *opaque) | |
1837 | { | |
1838 | display_state.dpy_refresh(&display_state); | |
1839 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1840 | } | |
1841 | ||
1842 | /* XXX: support several handlers */ | |
1843 | VMStopHandler *vm_stop_cb; | |
1844 | VMStopHandler *vm_stop_opaque; | |
1845 | ||
1846 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1847 | { | |
1848 | vm_stop_cb = cb; | |
1849 | vm_stop_opaque = opaque; | |
1850 | return 0; | |
1851 | } | |
1852 | ||
1853 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1854 | { | |
1855 | vm_stop_cb = NULL; | |
1856 | } | |
1857 | ||
1858 | void vm_start(void) | |
1859 | { | |
1860 | if (!vm_running) { | |
1861 | cpu_enable_ticks(); | |
1862 | vm_running = 1; | |
1863 | } | |
1864 | } | |
1865 | ||
1866 | void vm_stop(int reason) | |
1867 | { | |
1868 | if (vm_running) { | |
1869 | cpu_disable_ticks(); | |
1870 | vm_running = 0; | |
1871 | if (reason != 0) { | |
1872 | if (vm_stop_cb) { | |
1873 | vm_stop_cb(vm_stop_opaque, reason); | |
1874 | } | |
34865134 | 1875 | } |
8a7ddc38 FB |
1876 | } |
1877 | } | |
1878 | ||
bb0c6722 FB |
1879 | /* reset/shutdown handler */ |
1880 | ||
1881 | typedef struct QEMUResetEntry { | |
1882 | QEMUResetHandler *func; | |
1883 | void *opaque; | |
1884 | struct QEMUResetEntry *next; | |
1885 | } QEMUResetEntry; | |
1886 | ||
1887 | static QEMUResetEntry *first_reset_entry; | |
1888 | static int reset_requested; | |
1889 | static int shutdown_requested; | |
1890 | ||
1891 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
1892 | { | |
1893 | QEMUResetEntry **pre, *re; | |
1894 | ||
1895 | pre = &first_reset_entry; | |
1896 | while (*pre != NULL) | |
1897 | pre = &(*pre)->next; | |
1898 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
1899 | re->func = func; | |
1900 | re->opaque = opaque; | |
1901 | re->next = NULL; | |
1902 | *pre = re; | |
1903 | } | |
1904 | ||
1905 | void qemu_system_reset(void) | |
1906 | { | |
1907 | QEMUResetEntry *re; | |
1908 | ||
1909 | /* reset all devices */ | |
1910 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
1911 | re->func(re->opaque); | |
1912 | } | |
1913 | } | |
1914 | ||
1915 | void qemu_system_reset_request(void) | |
1916 | { | |
1917 | reset_requested = 1; | |
1918 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
1919 | } | |
1920 | ||
1921 | void qemu_system_shutdown_request(void) | |
1922 | { | |
1923 | shutdown_requested = 1; | |
1924 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
1925 | } | |
1926 | ||
1927 | static void main_cpu_reset(void *opaque) | |
1928 | { | |
1929 | #ifdef TARGET_I386 | |
1930 | CPUState *env = opaque; | |
1931 | cpu_reset(env); | |
1932 | #endif | |
1933 | } | |
1934 | ||
8a7ddc38 FB |
1935 | int main_loop(void) |
1936 | { | |
67b915a5 | 1937 | #ifndef _WIN32 |
8a7ddc38 | 1938 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 1939 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
1940 | uint8_t buf[4096]; |
1941 | int n, max_size; | |
1942 | #endif | |
1943 | int ret, timeout; | |
8a7ddc38 FB |
1944 | CPUState *env = global_env; |
1945 | ||
1946 | for(;;) { | |
1947 | if (vm_running) { | |
1948 | ret = cpu_exec(env); | |
bb0c6722 | 1949 | if (shutdown_requested) { |
8a7ddc38 FB |
1950 | ret = EXCP_INTERRUPT; |
1951 | break; | |
1952 | } | |
bb0c6722 FB |
1953 | if (reset_requested) { |
1954 | reset_requested = 0; | |
1955 | qemu_system_reset(); | |
1956 | ret = EXCP_INTERRUPT; | |
1957 | } | |
8a7ddc38 FB |
1958 | if (ret == EXCP_DEBUG) { |
1959 | vm_stop(EXCP_DEBUG); | |
1960 | } | |
1961 | /* if hlt instruction, we wait until the next IRQ */ | |
1962 | /* XXX: use timeout computed from timers */ | |
1963 | if (ret == EXCP_HLT) | |
1964 | timeout = 10; | |
1965 | else | |
1966 | timeout = 0; | |
1967 | } else { | |
b4608c04 | 1968 | timeout = 10; |
8a7ddc38 | 1969 | } |
c4b1fcc0 | 1970 | |
38e205a2 FB |
1971 | #ifdef _WIN32 |
1972 | if (timeout > 0) | |
1973 | Sleep(timeout); | |
1974 | #else | |
1975 | ||
b4608c04 | 1976 | /* poll any events */ |
8a7ddc38 | 1977 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1978 | pf = ufds; |
8a7ddc38 FB |
1979 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1980 | if (!ioh->fd_can_read) { | |
1981 | max_size = 0; | |
c4b1fcc0 FB |
1982 | pf->fd = ioh->fd; |
1983 | pf->events = POLLIN; | |
1984 | ioh->ufd = pf; | |
1985 | pf++; | |
1986 | } else { | |
8a7ddc38 FB |
1987 | max_size = ioh->fd_can_read(ioh->opaque); |
1988 | if (max_size > 0) { | |
1989 | if (max_size > sizeof(buf)) | |
1990 | max_size = sizeof(buf); | |
1991 | pf->fd = ioh->fd; | |
1992 | pf->events = POLLIN; | |
1993 | ioh->ufd = pf; | |
1994 | pf++; | |
1995 | } else { | |
1996 | ioh->ufd = NULL; | |
1997 | } | |
c4b1fcc0 FB |
1998 | } |
1999 | ioh->max_size = max_size; | |
b4608c04 | 2000 | } |
73332e5c | 2001 | |
b4608c04 FB |
2002 | ret = poll(ufds, pf - ufds, timeout); |
2003 | if (ret > 0) { | |
8a7ddc38 FB |
2004 | /* XXX: better handling of removal */ |
2005 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
2006 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
2007 | pf = ioh->ufd; |
2008 | if (pf) { | |
8a7ddc38 FB |
2009 | if (pf->revents & POLLIN) { |
2010 | if (ioh->max_size == 0) { | |
2011 | /* just a read event */ | |
2012 | ioh->fd_read(ioh->opaque, NULL, 0); | |
2013 | } else { | |
2014 | n = read(ioh->fd, buf, ioh->max_size); | |
2015 | if (n >= 0) { | |
2016 | ioh->fd_read(ioh->opaque, buf, n); | |
158156d1 | 2017 | } else if (errno != EAGAIN) { |
8a7ddc38 FB |
2018 | ioh->fd_read(ioh->opaque, NULL, -errno); |
2019 | } | |
2020 | } | |
b4608c04 | 2021 | } |
b4608c04 | 2022 | } |
b4608c04 FB |
2023 | } |
2024 | } | |
c20709aa FB |
2025 | |
2026 | #if defined(CONFIG_SLIRP) | |
2027 | /* XXX: merge with poll() */ | |
2028 | if (slirp_inited) { | |
2029 | fd_set rfds, wfds, xfds; | |
2030 | int nfds; | |
2031 | struct timeval tv; | |
2032 | ||
2033 | nfds = -1; | |
2034 | FD_ZERO(&rfds); | |
2035 | FD_ZERO(&wfds); | |
2036 | FD_ZERO(&xfds); | |
2037 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
2038 | tv.tv_sec = 0; | |
2039 | tv.tv_usec = 0; | |
2040 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
2041 | if (ret >= 0) { | |
2042 | slirp_select_poll(&rfds, &wfds, &xfds); | |
2043 | } | |
2044 | } | |
2045 | #endif | |
2046 | ||
67b915a5 | 2047 | #endif |
b4608c04 | 2048 | |
8a7ddc38 FB |
2049 | if (vm_running) { |
2050 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
2051 | qemu_get_clock(vm_clock)); | |
2052 | ||
aaaa7df6 FB |
2053 | if (audio_enabled) { |
2054 | /* XXX: add explicit timer */ | |
2055 | SB16_run(); | |
2056 | } | |
8a7ddc38 FB |
2057 | |
2058 | /* run dma transfers, if any */ | |
2059 | DMA_run(); | |
b4608c04 | 2060 | } |
313aa567 | 2061 | |
8a7ddc38 FB |
2062 | /* real time timers */ |
2063 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
2064 | qemu_get_clock(rt_clock)); | |
b4608c04 | 2065 | } |
34865134 FB |
2066 | cpu_disable_ticks(); |
2067 | return ret; | |
b4608c04 FB |
2068 | } |
2069 | ||
0824d6fc FB |
2070 | void help(void) |
2071 | { | |
aaaa7df6 | 2072 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 2073 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 2074 | "\n" |
a20dd508 | 2075 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 2076 | "\n" |
a20dd508 | 2077 | "Standard options:\n" |
c45886db | 2078 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
2079 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
2080 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 2081 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 2082 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 | 2083 | "-snapshot write to temporary files instead of disk image files\n" |
a00bad7e | 2084 | "-m megs set virtual RAM size to megs MB [default=%d]\n" |
c4b1fcc0 | 2085 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
aaaa7df6 | 2086 | "-enable-audio enable audio support\n" |
89980284 | 2087 | "-localtime set the real time clock to local time [default=utc]\n" |
bb0c6722 FB |
2088 | #ifdef TARGET_PPC |
2089 | "-prep Simulate a PREP system (default is PowerMAC)\n" | |
e9b137c2 | 2090 | "-g WxH[xDEPTH] Set the initial VGA graphic mode\n" |
bb0c6722 | 2091 | #endif |
c4b1fcc0 FB |
2092 | "\n" |
2093 | "Network options:\n" | |
c20709aa | 2094 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 2095 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
2096 | "-n script set tap/tun network init script [default=%s]\n" |
2097 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
2098 | #ifdef CONFIG_SLIRP | |
2099 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
2100 | #endif | |
2101 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 2102 | "\n" |
c4b1fcc0 | 2103 | "Linux boot specific:\n" |
a20dd508 FB |
2104 | "-kernel bzImage use 'bzImage' as kernel image\n" |
2105 | "-append cmdline use 'cmdline' as kernel command line\n" | |
2106 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 2107 | "\n" |
330d0414 | 2108 | "Debug/Expert options:\n" |
cd6f1169 | 2109 | "-S freeze CPU at startup (use 'c' to start execution)\n" |
a20dd508 FB |
2110 | "-s wait gdb connection to port %d\n" |
2111 | "-p port change gdb connection port\n" | |
f193c797 | 2112 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
2113 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
2114 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
2115 | #ifdef USE_CODE_COPY |
2116 | "-no-code-copy disable code copy acceleration\n" | |
2117 | #endif | |
bb0c6722 FB |
2118 | #ifdef TARGET_I386 |
2119 | "-isa simulate an ISA-only system (default is PCI system)\n" | |
1bfe856e FB |
2120 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" |
2121 | " (default is CL-GD5446 PCI VGA)\n" | |
bb0c6722 | 2122 | #endif |
0824d6fc | 2123 | "\n" |
f1510b2c | 2124 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
2125 | #ifdef CONFIG_SOFTMMU |
2126 | "qemu", | |
2127 | #else | |
2128 | "qemu-fast", | |
2129 | #endif | |
a00bad7e FB |
2130 | DEFAULT_RAM_SIZE, |
2131 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
2132 | DEFAULT_GDBSTUB_PORT, |
2133 | "/tmp/qemu.log"); | |
0824d6fc | 2134 | term_print_help(); |
0db63474 FB |
2135 | #ifndef CONFIG_SOFTMMU |
2136 | printf("\n" | |
2137 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
2138 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
2139 | "PC emulation.\n"); | |
2140 | #endif | |
0824d6fc FB |
2141 | exit(1); |
2142 | } | |
2143 | ||
cd6f1169 FB |
2144 | #define HAS_ARG 0x0001 |
2145 | ||
2146 | enum { | |
2147 | QEMU_OPTION_h, | |
2148 | ||
2149 | QEMU_OPTION_fda, | |
2150 | QEMU_OPTION_fdb, | |
2151 | QEMU_OPTION_hda, | |
2152 | QEMU_OPTION_hdb, | |
2153 | QEMU_OPTION_hdc, | |
2154 | QEMU_OPTION_hdd, | |
2155 | QEMU_OPTION_cdrom, | |
2156 | QEMU_OPTION_boot, | |
2157 | QEMU_OPTION_snapshot, | |
2158 | QEMU_OPTION_m, | |
2159 | QEMU_OPTION_nographic, | |
2160 | QEMU_OPTION_enable_audio, | |
2161 | ||
2162 | QEMU_OPTION_nics, | |
2163 | QEMU_OPTION_macaddr, | |
2164 | QEMU_OPTION_n, | |
2165 | QEMU_OPTION_tun_fd, | |
2166 | QEMU_OPTION_user_net, | |
2167 | QEMU_OPTION_dummy_net, | |
2168 | ||
2169 | QEMU_OPTION_kernel, | |
2170 | QEMU_OPTION_append, | |
2171 | QEMU_OPTION_initrd, | |
2172 | ||
2173 | QEMU_OPTION_S, | |
2174 | QEMU_OPTION_s, | |
2175 | QEMU_OPTION_p, | |
2176 | QEMU_OPTION_d, | |
2177 | QEMU_OPTION_hdachs, | |
2178 | QEMU_OPTION_L, | |
2179 | QEMU_OPTION_no_code_copy, | |
69b91039 | 2180 | QEMU_OPTION_pci, |
bb0c6722 | 2181 | QEMU_OPTION_isa, |
77d4bc34 | 2182 | QEMU_OPTION_prep, |
ee22c2f7 | 2183 | QEMU_OPTION_localtime, |
1f04275e | 2184 | QEMU_OPTION_cirrusvga, |
e9b137c2 | 2185 | QEMU_OPTION_g, |
1bfe856e | 2186 | QEMU_OPTION_std_vga, |
cd6f1169 FB |
2187 | }; |
2188 | ||
2189 | typedef struct QEMUOption { | |
2190 | const char *name; | |
2191 | int flags; | |
2192 | int index; | |
2193 | } QEMUOption; | |
2194 | ||
2195 | const QEMUOption qemu_options[] = { | |
2196 | { "h", 0, QEMU_OPTION_h }, | |
2197 | ||
2198 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
2199 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
2200 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
2201 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
2202 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
2203 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
2204 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
2205 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
2206 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
2207 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
2208 | { "nographic", 0, QEMU_OPTION_nographic }, | |
2209 | { "enable-audio", 0, QEMU_OPTION_enable_audio }, | |
2210 | ||
2211 | { "nics", HAS_ARG, QEMU_OPTION_nics}, | |
2212 | { "macaddr", HAS_ARG, QEMU_OPTION_macaddr}, | |
69b91039 | 2213 | { "n", HAS_ARG, QEMU_OPTION_n }, |
cd6f1169 | 2214 | { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd }, |
158156d1 | 2215 | #ifdef CONFIG_SLIRP |
cd6f1169 | 2216 | { "user-net", 0, QEMU_OPTION_user_net }, |
158156d1 | 2217 | #endif |
cd6f1169 FB |
2218 | { "dummy-net", 0, QEMU_OPTION_dummy_net }, |
2219 | ||
2220 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
2221 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
2222 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
2223 | ||
2224 | { "S", 0, QEMU_OPTION_S }, | |
2225 | { "s", 0, QEMU_OPTION_s }, | |
2226 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
2227 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
2228 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
2229 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
2230 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
77d4bc34 FB |
2231 | #ifdef TARGET_PPC |
2232 | { "prep", 0, QEMU_OPTION_prep }, | |
e9b137c2 | 2233 | { "g", 1, QEMU_OPTION_g }, |
77d4bc34 | 2234 | #endif |
ee22c2f7 | 2235 | { "localtime", 0, QEMU_OPTION_localtime }, |
bb0c6722 | 2236 | { "isa", 0, QEMU_OPTION_isa }, |
1bfe856e | 2237 | { "std-vga", 0, QEMU_OPTION_std_vga }, |
1f04275e FB |
2238 | |
2239 | /* temporary options */ | |
2240 | { "pci", 0, QEMU_OPTION_pci }, | |
2241 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
cd6f1169 | 2242 | { NULL }, |
fc01f7e7 FB |
2243 | }; |
2244 | ||
77fef8c1 FB |
2245 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2246 | ||
2247 | /* this stack is only used during signal handling */ | |
2248 | #define SIGNAL_STACK_SIZE 32768 | |
2249 | ||
2250 | static uint8_t *signal_stack; | |
2251 | ||
2252 | #endif | |
2253 | ||
c20709aa FB |
2254 | #define NET_IF_TUN 0 |
2255 | #define NET_IF_USER 1 | |
2256 | #define NET_IF_DUMMY 2 | |
2257 | ||
0824d6fc FB |
2258 | int main(int argc, char **argv) |
2259 | { | |
67b915a5 FB |
2260 | #ifdef CONFIG_GDBSTUB |
2261 | int use_gdbstub, gdbstub_port; | |
2262 | #endif | |
cd6f1169 | 2263 | int i, has_cdrom; |
1ccde1cb | 2264 | int snapshot, linux_boot; |
c45886db | 2265 | CPUState *env; |
7f7f9873 | 2266 | const char *initrd_filename; |
c45886db | 2267 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 2268 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 2269 | DisplayState *ds = &display_state; |
c4b1fcc0 | 2270 | int cyls, heads, secs; |
a541f297 | 2271 | int start_emulation = 1; |
702c651c | 2272 | uint8_t macaddr[6]; |
c20709aa | 2273 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
cd6f1169 FB |
2274 | int optind; |
2275 | const char *r, *optarg; | |
2276 | ||
67b915a5 | 2277 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
2278 | /* we never want that malloc() uses mmap() */ |
2279 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 2280 | #endif |
fc01f7e7 | 2281 | initrd_filename = NULL; |
c45886db FB |
2282 | for(i = 0; i < MAX_FD; i++) |
2283 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
2284 | for(i = 0; i < MAX_DISKS; i++) |
2285 | hd_filename[i] = NULL; | |
a00bad7e | 2286 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
313aa567 | 2287 | vga_ram_size = VGA_RAM_SIZE; |
0ced6589 | 2288 | bios_size = BIOS_SIZE; |
f1510b2c | 2289 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 2290 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2291 | use_gdbstub = 0; |
2292 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 2293 | #endif |
33e3963e | 2294 | snapshot = 0; |
a20dd508 FB |
2295 | nographic = 0; |
2296 | kernel_filename = NULL; | |
2297 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
2298 | has_cdrom = 1; |
2299 | cyls = heads = secs = 0; | |
2300 | ||
c20709aa FB |
2301 | nb_tun_fds = 0; |
2302 | net_if_type = -1; | |
c4b1fcc0 | 2303 | nb_nics = 1; |
702c651c FB |
2304 | /* default mac address of the first network interface */ |
2305 | macaddr[0] = 0x52; | |
2306 | macaddr[1] = 0x54; | |
2307 | macaddr[2] = 0x00; | |
2308 | macaddr[3] = 0x12; | |
2309 | macaddr[4] = 0x34; | |
2310 | macaddr[5] = 0x56; | |
c20709aa | 2311 | |
cd6f1169 | 2312 | optind = 1; |
0824d6fc | 2313 | for(;;) { |
cd6f1169 | 2314 | if (optind >= argc) |
0824d6fc | 2315 | break; |
cd6f1169 FB |
2316 | r = argv[optind]; |
2317 | if (r[0] != '-') { | |
2318 | hd_filename[0] = argv[optind++]; | |
2319 | } else { | |
2320 | const QEMUOption *popt; | |
2321 | ||
2322 | optind++; | |
2323 | popt = qemu_options; | |
2324 | for(;;) { | |
2325 | if (!popt->name) { | |
2326 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
2327 | argv[0], r); | |
2328 | exit(1); | |
2329 | } | |
2330 | if (!strcmp(popt->name, r + 1)) | |
2331 | break; | |
2332 | popt++; | |
2333 | } | |
2334 | if (popt->flags & HAS_ARG) { | |
2335 | if (optind >= argc) { | |
2336 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
2337 | argv[0], r); | |
2338 | exit(1); | |
2339 | } | |
2340 | optarg = argv[optind++]; | |
2341 | } else { | |
2342 | optarg = NULL; | |
2343 | } | |
2344 | ||
2345 | switch(popt->index) { | |
2346 | case QEMU_OPTION_initrd: | |
fc01f7e7 FB |
2347 | initrd_filename = optarg; |
2348 | break; | |
cd6f1169 | 2349 | case QEMU_OPTION_hda: |
fc01f7e7 FB |
2350 | hd_filename[0] = optarg; |
2351 | break; | |
cd6f1169 | 2352 | case QEMU_OPTION_hdb: |
fc01f7e7 FB |
2353 | hd_filename[1] = optarg; |
2354 | break; | |
cd6f1169 | 2355 | case QEMU_OPTION_snapshot: |
33e3963e FB |
2356 | snapshot = 1; |
2357 | break; | |
cd6f1169 | 2358 | case QEMU_OPTION_hdachs: |
330d0414 | 2359 | { |
330d0414 FB |
2360 | const char *p; |
2361 | p = optarg; | |
2362 | cyls = strtol(p, (char **)&p, 0); | |
2363 | if (*p != ',') | |
2364 | goto chs_fail; | |
2365 | p++; | |
2366 | heads = strtol(p, (char **)&p, 0); | |
2367 | if (*p != ',') | |
2368 | goto chs_fail; | |
2369 | p++; | |
2370 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
2371 | if (*p != '\0') { |
2372 | chs_fail: | |
2373 | cyls = 0; | |
2374 | } | |
330d0414 FB |
2375 | } |
2376 | break; | |
cd6f1169 | 2377 | case QEMU_OPTION_nographic: |
a20dd508 FB |
2378 | nographic = 1; |
2379 | break; | |
cd6f1169 | 2380 | case QEMU_OPTION_kernel: |
a20dd508 FB |
2381 | kernel_filename = optarg; |
2382 | break; | |
cd6f1169 | 2383 | case QEMU_OPTION_append: |
a20dd508 | 2384 | kernel_cmdline = optarg; |
313aa567 | 2385 | break; |
cd6f1169 | 2386 | case QEMU_OPTION_tun_fd: |
c4b1fcc0 FB |
2387 | { |
2388 | const char *p; | |
2389 | int fd; | |
d6b86f4d | 2390 | net_if_type = NET_IF_TUN; |
c20709aa FB |
2391 | if (nb_tun_fds < MAX_NICS) { |
2392 | fd = strtol(optarg, (char **)&p, 0); | |
2393 | if (*p != '\0') { | |
2394 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
2395 | exit(1); |
2396 | } | |
c20709aa | 2397 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
2398 | } |
2399 | } | |
42f1e0e4 | 2400 | break; |
cd6f1169 | 2401 | case QEMU_OPTION_hdc: |
36b486bb | 2402 | hd_filename[2] = optarg; |
c4b1fcc0 | 2403 | has_cdrom = 0; |
36b486bb | 2404 | break; |
cd6f1169 | 2405 | case QEMU_OPTION_hdd: |
36b486bb FB |
2406 | hd_filename[3] = optarg; |
2407 | break; | |
cd6f1169 | 2408 | case QEMU_OPTION_cdrom: |
36b486bb | 2409 | hd_filename[2] = optarg; |
c4b1fcc0 | 2410 | has_cdrom = 1; |
36b486bb | 2411 | break; |
cd6f1169 | 2412 | case QEMU_OPTION_boot: |
36b486bb | 2413 | boot_device = optarg[0]; |
c45886db FB |
2414 | if (boot_device != 'a' && boot_device != 'b' && |
2415 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
2416 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
2417 | exit(1); | |
2418 | } | |
2419 | break; | |
cd6f1169 | 2420 | case QEMU_OPTION_fda: |
c45886db FB |
2421 | fd_filename[0] = optarg; |
2422 | break; | |
cd6f1169 | 2423 | case QEMU_OPTION_fdb: |
c45886db FB |
2424 | fd_filename[1] = optarg; |
2425 | break; | |
cd6f1169 | 2426 | case QEMU_OPTION_no_code_copy: |
77fef8c1 FB |
2427 | code_copy_enabled = 0; |
2428 | break; | |
cd6f1169 | 2429 | case QEMU_OPTION_nics: |
c4b1fcc0 | 2430 | nb_nics = atoi(optarg); |
3a1bc175 | 2431 | if (nb_nics < 0 || nb_nics > MAX_NICS) { |
c4b1fcc0 FB |
2432 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); |
2433 | exit(1); | |
2434 | } | |
2435 | break; | |
cd6f1169 | 2436 | case QEMU_OPTION_macaddr: |
702c651c FB |
2437 | { |
2438 | const char *p; | |
2439 | int i; | |
2440 | p = optarg; | |
2441 | for(i = 0; i < 6; i++) { | |
2442 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2443 | if (i == 5) { | |
2444 | if (*p != '\0') | |
2445 | goto macaddr_error; | |
2446 | } else { | |
2447 | if (*p != ':') { | |
2448 | macaddr_error: | |
2449 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2450 | exit(1); | |
2451 | } | |
2452 | p++; | |
2453 | } | |
2454 | } | |
2455 | } | |
2456 | break; | |
cd6f1169 | 2457 | case QEMU_OPTION_user_net: |
c20709aa FB |
2458 | net_if_type = NET_IF_USER; |
2459 | break; | |
cd6f1169 | 2460 | case QEMU_OPTION_dummy_net: |
c20709aa FB |
2461 | net_if_type = NET_IF_DUMMY; |
2462 | break; | |
cd6f1169 | 2463 | case QEMU_OPTION_enable_audio: |
aaaa7df6 FB |
2464 | audio_enabled = 1; |
2465 | break; | |
cd6f1169 | 2466 | case QEMU_OPTION_h: |
0824d6fc | 2467 | help(); |
cd6f1169 FB |
2468 | break; |
2469 | case QEMU_OPTION_m: | |
2470 | ram_size = atoi(optarg) * 1024 * 1024; | |
2471 | if (ram_size <= 0) | |
2472 | help(); | |
2473 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
2474 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
2475 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
2476 | exit(1); | |
2477 | } | |
2478 | break; | |
2479 | case QEMU_OPTION_d: | |
2480 | { | |
2481 | int mask; | |
2482 | CPULogItem *item; | |
2483 | ||
2484 | mask = cpu_str_to_log_mask(optarg); | |
2485 | if (!mask) { | |
2486 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
2487 | for(item = cpu_log_items; item->mask != 0; item++) { |
2488 | printf("%-10s %s\n", item->name, item->help); | |
2489 | } | |
2490 | exit(1); | |
cd6f1169 FB |
2491 | } |
2492 | cpu_set_log(mask); | |
f193c797 | 2493 | } |
cd6f1169 FB |
2494 | break; |
2495 | case QEMU_OPTION_n: | |
2496 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2497 | break; | |
67b915a5 | 2498 | #ifdef CONFIG_GDBSTUB |
cd6f1169 FB |
2499 | case QEMU_OPTION_s: |
2500 | use_gdbstub = 1; | |
2501 | break; | |
2502 | case QEMU_OPTION_p: | |
2503 | gdbstub_port = atoi(optarg); | |
2504 | break; | |
67b915a5 | 2505 | #endif |
cd6f1169 FB |
2506 | case QEMU_OPTION_L: |
2507 | bios_dir = optarg; | |
2508 | break; | |
2509 | case QEMU_OPTION_S: | |
2510 | start_emulation = 0; | |
2511 | break; | |
69b91039 FB |
2512 | case QEMU_OPTION_pci: |
2513 | pci_enabled = 1; | |
2514 | break; | |
bb0c6722 FB |
2515 | case QEMU_OPTION_isa: |
2516 | pci_enabled = 0; | |
2517 | break; | |
77d4bc34 FB |
2518 | case QEMU_OPTION_prep: |
2519 | prep_enabled = 1; | |
2520 | break; | |
ee22c2f7 FB |
2521 | case QEMU_OPTION_localtime: |
2522 | rtc_utc = 0; | |
2523 | break; | |
1f04275e FB |
2524 | case QEMU_OPTION_cirrusvga: |
2525 | cirrus_vga_enabled = 1; | |
2526 | break; | |
1bfe856e FB |
2527 | case QEMU_OPTION_std_vga: |
2528 | cirrus_vga_enabled = 0; | |
2529 | break; | |
e9b137c2 FB |
2530 | case QEMU_OPTION_g: |
2531 | { | |
2532 | const char *p; | |
2533 | int w, h, depth; | |
2534 | p = optarg; | |
2535 | w = strtol(p, (char **)&p, 10); | |
2536 | if (w <= 0) { | |
2537 | graphic_error: | |
2538 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
2539 | exit(1); | |
2540 | } | |
2541 | if (*p != 'x') | |
2542 | goto graphic_error; | |
2543 | p++; | |
2544 | h = strtol(p, (char **)&p, 10); | |
2545 | if (h <= 0) | |
2546 | goto graphic_error; | |
2547 | if (*p == 'x') { | |
2548 | p++; | |
2549 | depth = strtol(p, (char **)&p, 10); | |
2550 | if (depth != 8 && depth != 15 && depth != 16 && | |
2551 | depth != 24 && depth != 32) | |
2552 | goto graphic_error; | |
2553 | } else if (*p == '\0') { | |
2554 | depth = graphic_depth; | |
2555 | } else { | |
2556 | goto graphic_error; | |
2557 | } | |
2558 | ||
2559 | graphic_width = w; | |
2560 | graphic_height = h; | |
2561 | graphic_depth = depth; | |
2562 | } | |
2563 | break; | |
cd6f1169 | 2564 | } |
0824d6fc FB |
2565 | } |
2566 | } | |
330d0414 | 2567 | |
a20dd508 | 2568 | linux_boot = (kernel_filename != NULL); |
330d0414 | 2569 | |
c45886db FB |
2570 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2571 | fd_filename[0] == '\0') | |
0824d6fc | 2572 | help(); |
8f2b1fb0 FB |
2573 | |
2574 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
2575 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2576 | if (fd_filename[0] != '\0') | |
2577 | boot_device = 'a'; | |
2578 | else | |
2579 | boot_device = 'd'; | |
2580 | } | |
0824d6fc | 2581 | |
dc887a4d FB |
2582 | #if !defined(CONFIG_SOFTMMU) |
2583 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
2584 | { | |
2585 | static uint8_t stdout_buf[4096]; | |
2586 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
2587 | } | |
2588 | #else | |
b118d61e | 2589 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 2590 | #endif |
0824d6fc | 2591 | |
c4b1fcc0 | 2592 | /* init host network redirectors */ |
c20709aa FB |
2593 | if (net_if_type == -1) { |
2594 | net_if_type = NET_IF_TUN; | |
2595 | #if defined(CONFIG_SLIRP) | |
2596 | if (access(network_script, R_OK) < 0) { | |
2597 | net_if_type = NET_IF_USER; | |
2598 | } | |
2599 | #endif | |
2600 | } | |
2601 | ||
2602 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 2603 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 2604 | nd->index = i; |
702c651c FB |
2605 | /* init virtual mac address */ |
2606 | nd->macaddr[0] = macaddr[0]; | |
2607 | nd->macaddr[1] = macaddr[1]; | |
2608 | nd->macaddr[2] = macaddr[2]; | |
2609 | nd->macaddr[3] = macaddr[3]; | |
2610 | nd->macaddr[4] = macaddr[4]; | |
2611 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
2612 | switch(net_if_type) { |
2613 | #if defined(CONFIG_SLIRP) | |
2614 | case NET_IF_USER: | |
2615 | net_slirp_init(nd); | |
2616 | break; | |
2617 | #endif | |
2618 | #if !defined(_WIN32) | |
2619 | case NET_IF_TUN: | |
2620 | if (i < nb_tun_fds) { | |
2621 | net_fd_init(nd, tun_fds[i]); | |
2622 | } else { | |
d927637d FB |
2623 | if (net_tun_init(nd) < 0) |
2624 | net_dummy_init(nd); | |
c20709aa FB |
2625 | } |
2626 | break; | |
2627 | #endif | |
2628 | case NET_IF_DUMMY: | |
2629 | default: | |
2630 | net_dummy_init(nd); | |
2631 | break; | |
2632 | } | |
702c651c | 2633 | } |
f1510b2c | 2634 | |
0824d6fc | 2635 | /* init the memory */ |
0ced6589 | 2636 | phys_ram_size = ram_size + vga_ram_size + bios_size; |
7f7f9873 FB |
2637 | |
2638 | #ifdef CONFIG_SOFTMMU | |
7d3505c5 | 2639 | #ifdef _BSD |
83fb7adf FB |
2640 | /* mallocs are always aligned on BSD. valloc is better for correctness */ |
2641 | phys_ram_base = valloc(phys_ram_size); | |
7d3505c5 | 2642 | #else |
1ccde1cb | 2643 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7d3505c5 | 2644 | #endif |
7f7f9873 FB |
2645 | if (!phys_ram_base) { |
2646 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
2647 | exit(1); |
2648 | } | |
7f7f9873 FB |
2649 | #else |
2650 | /* as we must map the same page at several addresses, we must use | |
2651 | a fd */ | |
2652 | { | |
2653 | const char *tmpdir; | |
2654 | ||
2655 | tmpdir = getenv("QEMU_TMPDIR"); | |
2656 | if (!tmpdir) | |
2657 | tmpdir = "/tmp"; | |
2658 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
2659 | if (mkstemp(phys_ram_file) < 0) { | |
2660 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
2661 | phys_ram_file); | |
2662 | exit(1); | |
2663 | } | |
2664 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
2665 | if (phys_ram_fd < 0) { | |
2666 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
2667 | phys_ram_file); | |
2668 | exit(1); | |
2669 | } | |
1ccde1cb | 2670 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 2671 | unlink(phys_ram_file); |
1ccde1cb FB |
2672 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2673 | phys_ram_size, | |
7f7f9873 FB |
2674 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2675 | phys_ram_fd, 0); | |
2676 | if (phys_ram_base == MAP_FAILED) { | |
2677 | fprintf(stderr, "Could not map physical memory\n"); | |
2678 | exit(1); | |
2679 | } | |
2680 | } | |
2681 | #endif | |
0824d6fc | 2682 | |
c4b1fcc0 FB |
2683 | /* we always create the cdrom drive, even if no disk is there */ |
2684 | if (has_cdrom) { | |
2685 | bs_table[2] = bdrv_new("cdrom"); | |
2686 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
2687 | } | |
2688 | ||
33e3963e FB |
2689 | /* open the virtual block devices */ |
2690 | for(i = 0; i < MAX_DISKS; i++) { | |
2691 | if (hd_filename[i]) { | |
33e3963e | 2692 | if (!bs_table[i]) { |
c4b1fcc0 FB |
2693 | char buf[64]; |
2694 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
2695 | bs_table[i] = bdrv_new(buf); | |
2696 | } | |
2697 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 2698 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
2699 | hd_filename[i]); |
2700 | exit(1); | |
2701 | } | |
c4b1fcc0 FB |
2702 | if (i == 0 && cyls != 0) |
2703 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
2704 | } | |
2705 | } | |
2706 | ||
2707 | /* we always create at least one floppy disk */ | |
2708 | fd_table[0] = bdrv_new("fda"); | |
2709 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
2710 | ||
2711 | for(i = 0; i < MAX_FD; i++) { | |
2712 | if (fd_filename[i]) { | |
2713 | if (!fd_table[i]) { | |
2714 | char buf[64]; | |
2715 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
2716 | fd_table[i] = bdrv_new(buf); | |
2717 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
2718 | } | |
2719 | if (fd_filename[i] != '\0') { | |
2720 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 2721 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
2722 | fd_filename[i]); |
2723 | exit(1); | |
2724 | } | |
2725 | } | |
33e3963e FB |
2726 | } |
2727 | } | |
2728 | ||
330d0414 FB |
2729 | /* init CPU state */ |
2730 | env = cpu_init(); | |
2731 | global_env = env; | |
2732 | cpu_single_env = env; | |
2733 | ||
8a7ddc38 | 2734 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
02ba45c5 | 2735 | register_savevm("cpu", 0, 2, cpu_save, cpu_load, env); |
8a7ddc38 | 2736 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
bb0c6722 | 2737 | qemu_register_reset(main_cpu_reset, global_env); |
8a7ddc38 | 2738 | |
330d0414 | 2739 | init_ioports(); |
80cabfad | 2740 | cpu_calibrate_ticks(); |
0824d6fc | 2741 | |
313aa567 | 2742 | /* terminal init */ |
a20dd508 | 2743 | if (nographic) { |
313aa567 FB |
2744 | dumb_display_init(ds); |
2745 | } else { | |
2746 | #ifdef CONFIG_SDL | |
2747 | sdl_display_init(ds); | |
313aa567 FB |
2748 | #else |
2749 | dumb_display_init(ds); | |
2750 | #endif | |
2751 | } | |
0824d6fc | 2752 | |
0824d6fc | 2753 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 2754 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 2755 | |
77fef8c1 FB |
2756 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2757 | { | |
2758 | stack_t stk; | |
73332e5c | 2759 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
2760 | stk.ss_sp = signal_stack; |
2761 | stk.ss_size = SIGNAL_STACK_SIZE; | |
2762 | stk.ss_flags = 0; | |
2763 | ||
2764 | if (sigaltstack(&stk, NULL) < 0) { | |
2765 | perror("sigaltstack"); | |
2766 | exit(1); | |
2767 | } | |
2768 | } | |
2769 | #endif | |
8a7ddc38 FB |
2770 | { |
2771 | struct sigaction act; | |
77fef8c1 | 2772 | |
8a7ddc38 FB |
2773 | sigfillset(&act.sa_mask); |
2774 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 2775 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2776 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 2777 | #endif |
8a7ddc38 FB |
2778 | act.sa_sigaction = host_segv_handler; |
2779 | sigaction(SIGSEGV, &act, NULL); | |
2780 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 2781 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2782 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 2783 | #endif |
8a7ddc38 | 2784 | } |
3a51dee6 | 2785 | #endif |
0824d6fc | 2786 | |
67b915a5 | 2787 | #ifndef _WIN32 |
8a7ddc38 FB |
2788 | { |
2789 | struct sigaction act; | |
2790 | sigfillset(&act.sa_mask); | |
2791 | act.sa_flags = 0; | |
2792 | act.sa_handler = SIG_IGN; | |
2793 | sigaction(SIGPIPE, &act, NULL); | |
2794 | } | |
67b915a5 | 2795 | #endif |
73332e5c FB |
2796 | init_timers(); |
2797 | ||
2798 | #if defined(TARGET_I386) | |
2799 | pc_init(ram_size, vga_ram_size, boot_device, | |
2800 | ds, fd_filename, snapshot, | |
2801 | kernel_filename, kernel_cmdline, initrd_filename); | |
2802 | #elif defined(TARGET_PPC) | |
a541f297 FB |
2803 | ppc_init(ram_size, vga_ram_size, boot_device, |
2804 | ds, fd_filename, snapshot, | |
2805 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
2806 | #endif |
2807 | ||
2808 | /* launched after the device init so that it can display or not a | |
2809 | banner */ | |
2810 | monitor_init(); | |
0824d6fc | 2811 | |
8a7ddc38 FB |
2812 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
2813 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 2814 | |
67b915a5 | 2815 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 2816 | if (use_gdbstub) { |
8a7ddc38 FB |
2817 | if (gdbserver_start(gdbstub_port) < 0) { |
2818 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
2819 | gdbstub_port); | |
2820 | exit(1); | |
2821 | } else { | |
2822 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
2823 | } | |
67b915a5 FB |
2824 | } else |
2825 | #endif | |
a541f297 | 2826 | if (start_emulation) |
67b915a5 | 2827 | { |
8a7ddc38 | 2828 | vm_start(); |
0824d6fc | 2829 | } |
8a7ddc38 FB |
2830 | term_init(); |
2831 | main_loop(); | |
40c3bac3 | 2832 | quit_timers(); |
0824d6fc FB |
2833 | return 0; |
2834 | } |